Russian Lucky Numbers: 3, 7 and the Flower Rule

In Russian number culture the lucky numbers are 3 and 7, and the ones people steer around are 2 and 13. The rule with the most practical bite is not about a single digit at all, it is about parity. Odd counts belong to the living and even counts belong to the dead. Buy flowers anywhere in Russia and the bouquet will come in threes, fives, sevens or elevens, because an even bouquet is what you carry to a grave.

Two strands run underneath this. One is Orthodox Christianity, which gives три the weight of the Trinity and counts mourning in threes, nines and forties. The other is older folk arithmetic that predates the church calendar. Russian folktales still send their heroes за тридевять земель, beyond thrice-nine lands, into a тридевятое царство. Тридевять means three times nine, a leftover of counting by nines that survived as the standard opening line of the fairy tale long after the counting itself was dropped.

How firmly is any of it held? The flower rule is close to universal and barely reads as superstition now, more a piece of shop etiquette that florists apply without being asked. The unease about 13 is milder than the American version. Russian blocks number their thirteenth floor, hotels number room 13, and the standard word for a year-end bonus is тринадцатая зарплата, the thirteenth salary. Plenty of people who would never hand over four roses live quite happily on floor thirteen.

Lucky: 3, 7
Avoided: 2, 13
Where: Russia, Ukraine, Belarus and much of the former Soviet space
Language: Russian
Mechanism: два dva ≈ «Два — покойнику»
Sourced claims: 5 on this page

The wordplay behind it

What each number sounds like, stands for, or resolves to. This table is the whole explanation in one place.

Number	Written	Read as	Echoes	Meaning
2	два	dva	«Два — покойнику»	two is for a dead person	Avoided
3	три	tri	«Бог троицу любит»	God loves the Trinity	Lucky
7	семь	sem	«на седьмом небе»	on the seventh heaven	Lucky
13	тринадцать	trinadtsat	чёртова дюжина	the devil's dozen	Avoided
27	тридевять	tridevyat	три × девять	thrice nine, the fairy-tale distance	Both
40	сорок	sorok	сорокъ, a bundle of forty sable pelts	forty; the fortieth-day memorial	Both

The lucky numbers: 3, 7

One at a time, with the mechanism and one place it actually shows up.

3 — the Trinity and the third try

Три carries the weight of the Trinity in an Orthodox country, and «Бог троицу любит», God loves the Trinity, is what a Russian says before a third attempt, roughly where English uses third time lucky. Folktales bank on the same count: three sons, three roads at the stone, three tasks set by the tsar. Church practice keeps three in the mourning calendar too, alongside the ninth and fortieth day. Three is also the smallest bouquet a florist will build, which is why it is the count you see most often on a Moscow pavement.

7 — the seventh heaven and the seven measures

Семь is the number Russian reaches for when it means many rather than exactly seven. «Семь раз отмерь, один раз отрежь», measure seven times and cut once, is the proverb every schoolchild learns. «На седьмом небе от счастья», on the seventh heaven with happiness, is the ordinary way of saying overjoyed, and it borrows a seven-heaven cosmology that reached Slavic folklore from the ancient Near East. «Семь бед — один ответ» covers the moment you decide to risk everything at once, since the reckoning will be the same either way.

The numbers to avoid: 2, 13

Same treatment. Where an avoidance has a documented cost, it is named.

2 — the pair you leave at a grave

Even counts, and два above all, belong to the dead. «Два — покойнику», two is for a dead person, is the line a Russian will mutter if you hand over a pair of anything at a celebration. This is the engine behind the flower rule, and it is not decorative. An even bouquet at a birthday reads as a funeral arrangement delivered to the wrong address. The reasoning usually offered is that an even number closes a cycle, and a closed cycle is what a life becomes once it has ended.

13 — чёртова дюжина, the devil's dozen

Russian has no baker's dozen. Thirteen is чёртова дюжина, the devil's dozen, the number that spoils a neat twelve. Дюжина itself is an eighteenth-century loan from French douzaine, so the phrase is a Russian gloss on an imported unit of counting. The unease is real but shallow. It shows up in the old rule against seating thirteen at a table, and it shows up in what people buy. It barely shows up in architecture, because Russian developers number floor thirteen and let buyers decide for themselves.

Where you actually meet it

Flowers are where the belief is visible every single day. Russian florists build and price bouquets in odd counts, so a shop will happily sell you 3, 5, 7, 9, 11 or 25 stems and keep even numbers for funeral wreaths and grave visits. Above roughly a dozen the counting relaxes, and nobody audits a mixed arrangement stem by stem. Visitors who turn up with a tidy dozen roses tend to be corrected quickly and kindly at the door.

Property is where somebody actually measured the effect. Two economists took sales data from Saint Petersburg new-build blocks where the floor plans are identical from storey to storey, which strips out almost every reason a flat might sell except the number on the door. Apartments on the thirteenth floor had sold at 54.9 per cent, against 64.8 on the twelfth and 61.8 on the fourteenth. The seventh floor came out ahead of both its neighbours at 68.6 per cent.

The mourning calendar counts in the same grammar. Orthodox practice commemorates the dead on the third, ninth and fortieth day, and the сороковины on day forty is the service families organise around. Forty carries extra freight in Russian because the word itself is a linguistic oddity. Сорок replaced the expected four-tens compound that every other Slavic language still uses, and Old East Slavic сорокъ meant a bundle of forty sable pelts, the quantity that made one coat. Moscow inherited from it the epithet сорок сороков, forty forties, for its parish churches.

Checkable claims

Each of these is a documented fact rather than a general impression, with the source named.

In Saint Petersburg new-build blocks with identical floor plans, 54.9% of thirteenth-floor apartments had sold, against 64.8% on the twelfth floor and 61.8% on the fourteenth. Seventh-floor flats led their neighbours at 68.6%.

Antipov and Pokryshevskaya, Judgment and Decision Making, vol. 10 no. 6 (2015)

Russian, Ukrainian and Belarusian are the only Slavic languages that do not build the word for forty out of four and ten. Сорок comes from Old East Slavic сорокъ, a bundle of forty sable pelts, and displaced the earlier четыре десяте.

Wiktionary, etymology of сорок (from Old East Slavic сорокъ)

Moscow's epithet сорок сороков, forty forties, refers to the sorok, a parish district of the city used from the seventeenth to the nineteenth century. Read literally it would mean 1,600 churches; Moscow had 441 parish churches in 1917.

Wikipedia, 'Sorok' (historical subdivision of Moscow)

Commemorating the dead on the third, ninth and fortieth day after death is recorded as established Christian practice in the fourth-century Apostolic Constitutions, and the fortieth-day service is still the central one in Russian Orthodox custom.

Apostolic Constitutions (4th century); Orthodox Church in America

The Soviet-era annual bonus is still called тринадцатая зарплата, the thirteenth salary. The term appears nowhere in Russian labour law but is standard in workplace usage.

Izvestia, reporting on Russian year-end bonuses

What it changes

None of this moves a lottery ball or a job interview. Bouquet parity is etiquette rather than physics, and the seventh floor is just a floor with a good view. What the custom does tell you is something true about how one language organises grief and celebration, and that is worth knowing on its own terms. Bring five tulips because it is the kind thing to do, not because five is on your side.

That is the line this site holds everywhere: a tradition is worth knowing, and no number has ever moved a probability. If you want a set of numbers to play with anyway, the daily generator makes one from your birth date and tells you exactly how.

Russian lucky numbers — frequently asked

An odd number. Three, five, seven or eleven all work, and an even bouquet is what people carry to a grave.

Less so, and the buildings show it. Russian blocks number the thirteenth floor and hotels number room 13. The unease exists, it just never hardened into a rule that architects follow, so it costs the thirteenth floor buyers rather than a place on the lift panel.

It runs on two tracks at once. The Orthodox calendar puts the main memorial service on the fortieth day after a death. Separately, the word сорок is odd in its own right, an East Slavic replacement for the expected four-tens compound that began life as a count of sable pelts.

The devil's dozen. It is the ordinary Russian name for thirteen, and the friendlier English baker's dozen has no counterpart in the language.

It holds across Ukraine, Belarus and much of the former Soviet space. Elsewhere in Europe the dozen is the default gift, which is precisely the count a Russian recipient would find unsettling.

The other traditions

Same questions, different language and different answers.

ChineseLucky 6 8 9 · avoid 4 GermanLucky 3 4 7 · avoid 13 IndianLucky 108 9 7 · avoid 8 ItalianLucky 3 7 13 · avoid 17 JapaneseLucky 3 7 8 · avoid 4 9 JewishLucky 18 7 13 · avoid 2 KoreanLucky 3 7 · avoid 4 ThaiLucky 9 5 · avoid 6 4 WesternLucky 7 3 12 · avoid 13

More ways in

Unlucky numbers13, 4, 17, 666 and 39, and the documented history of each.Open →Chinese zodiacTwelve animals, their lucky numbers, and the lunar new year rule.Open →NumerologyThe western system: one number from a birth date or a name.Open →

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