Number
1,929
1,929 is a composite number, odd, a calendar year.
Notable events — 1929 AD
- Feb 11 The Lateran Treaty establishes the Vatican City as a sovereign state.
- Feb 14 Chicago gangsters carry out the St. Valentine's Day Massacre.
- Jul 24 The Kellogg-Briand Pact officially renouncing war takes effect.
- Oct 24 "Black Thursday": the Wall Street Crash begins, triggering the Great Depression.
- Oct 29 "Black Tuesday" sees the worst single day of the Wall Street Crash.
Events compiled from Wikipedia ↗ · Licensed CC BY-SA 4.0
Year facts
- Year type
-
Common year
Standard 365-day year; not divisible by 4 (or divisible by 100 but not 400).
- Days in year
- 365
- ISO weeks
- 52
- Started on
-
Tuesday
January 1, 1929
- Ended on
-
Tuesday
December 31, 1929
- Friday the 13ths
-
2
2 Friday the 13ths this year.
- Easter Sunday
-
March 31
Sunday, March 31, 1929
- Decade
-
1920s
1920–1929
- Century
-
20th century
1901–2000
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
97
97 years before 2026.
In other calendars
- Hebrew
-
5689 / 5690 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1347 / 1348 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Earth zodiac:Snake
Sexagenary cycle position 6 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2472 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1307 / 1308 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1921 / 1922 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1851 / 1850 Saka
Indian national calendar; year starts in March.
- Japanese
-
Shōwa 4
Reign-era counting from the start of each emperor's reign.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 21
- Digit product
- 162
- Digital root
- 3
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 9,291
- Recamán's sequence
- a(7,886) = 1,929
- Square (n²)
- 3,721,041
- Cube (n³)
- 7,177,888,089
- Divisor count
- 4
- σ(n) — sum of divisors
- 2,576
- φ(n) — Euler's totient
- 1,284
- Sum of prime factors
- 646
Primality
Prime factorization: 3 × 643
Divisors & multiples
Aliquot sum (sum of proper divisors):
647
First multiples
Sums & aliquot sequence
As consecutive integers:
964 + 965
642 + 643 + 644
319 + 320 + 321 + 322 + 323 + 324
Aliquot sequence:
1,929 → 647 → 1 → 0
— terminates at zero
Representations
- In words
- one thousand nine hundred twenty-nine
- Ordinal
- 1929th
- Roman numeral
- MCMXXIX
- Binary
- 11110001001
- Octal
- 3611
- Hexadecimal
- 0x789
- Base64
- B4k=
- One's complement
- 63,606 (16-bit)
In other bases
ternary (3)
2122110
quaternary (4)
132021
quinary (5)
30204
senary (6)
12533
septenary (7)
5424
nonary (9)
2573
undecimal (11)
14a4
duodecimal (12)
1149
tridecimal (13)
b55
tetradecimal (14)
9bb
pentadecimal (15)
889
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αϡκθʹ
- Mayan (base 20)
- 𝋤·𝋰·𝋩
- Chinese
- 一千九百二十九
- Chinese (financial)
- 壹仟玖佰貳拾玖
In other modern scripts
Eastern Arabic
١٩٢٩
Devanagari
१९२९
Bengali
১৯২৯
Tamil
௧௯௨௯
Thai
๑๙๒๙
Tibetan
༡༩༢༩
Khmer
១៩២៩
Lao
໑໙໒໙
Burmese
၁၉၂၉
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,929 = 1
- e — Euler's number (e)
- Digit 1,929 = 1
- φ — Golden ratio (φ)
- Digit 1,929 = 5
- √2 — Pythagoras's (√2)
- Digit 1,929 = 3
- ln 2 — Natural log of 2
- Digit 1,929 = 0
- γ — Euler-Mascheroni (γ)
- Digit 1,929 = 1
Also seen as
Unicode codepoint
މ
Thaana Letter Meemu
U+0789
Other letter (Lo)
UTF-8 encoding: DE 89 (2 bytes).
Hex color
#000789
RGB(0, 7, 137)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.137.
- Address
- 0.0.7.137
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.137
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Position in π
The digit sequence 1929 first appears in π at position 37,982 of the decimal expansion (the 37,982ordinal-suffix:nd digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.