1,925
1,925 is a composite number, odd, a calendar year.
Notable events — 1925 AD
- Jul 10 The Scopes "Monkey" Trial on the teaching of evolution begins in Tennessee.
- Jul 18 Hitler publishes the first volume of Mein Kampf.
- Oct 31 Reza Shah Pahlavi deposes the Qajar dynasty and founds the Pahlavi dynasty in Persia.
- Dec 1 European powers sign the Locarno Treaties, easing post-war tensions.
- Apr 10 F. Scott Fitzgerald publishes The Great Gatsby.
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
-
53
Long year: contains 53 ISO weeks.
- Started on
-
Thursday
January 1, 1925
- Ended on
-
Thursday
December 31, 1925
- Friday the 13ths
-
3
3 Friday the 13ths this year.
- Easter Sunday
-
April 12
Sunday, April 12, 1925
- Decade
-
1920s
1920–1929
- Century
-
20th century
1901–2000
- Millennium
-
2nd millennium
1001–2000
- Years ago
-
101
101 years before 2026.
In other calendars
- Hebrew
-
5685 / 5686 AM
Rosh Hashanah falls in September/October.
- Islamic Hijri
-
1343 / 1344 AH
Lunar calendar; year spans differ from Gregorian.
- Chinese
-
Year of the zodiac:Wood zodiac:Ox
Sexagenary cycle position 2 of 60. Lunar new year falls in late January / mid-February.
- Buddhist Era
-
2468 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
- Persian Solar Hijri
-
1303 / 1304 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
- Ethiopian
-
1917 / 1918 ET
Year boundary at Enkutatash (September 11/12).
- Indian National (Saka)
-
1847 / 1846 Saka
Indian national calendar; year starts in March.
- Japanese
-
Taishō 14
Reign-era counting from the start of each emperor's reign.
Properties
- Parity
- Odd
- Digit count
- 4
- Digit sum
- 17
- Digit product
- 90
- Digital root
- 8
- Palindrome
- No
- Bit width
- 11 bits
- Reversed
- 5,291
- Recamán's sequence
- a(7,894) = 1,925
- Square (n²)
- 3,705,625
- Cube (n³)
- 7,133,328,125
- Divisor count
- 12
- σ(n) — sum of divisors
- 2,976
- φ(n) — Euler's totient
- 1,200
- Sum of prime factors
- 28
Primality
Prime factorization: 5 2 × 7 × 11
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- one thousand nine hundred twenty-five
- Ordinal
- 1925th
- Roman numeral
- MCMXXV
- Binary
- 11110000101
- Octal
- 3605
- Hexadecimal
- 0x785
- Base64
- B4U=
- One's complement
- 63,610 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵αϡκεʹ
- Mayan (base 20)
- 𝋤·𝋰·𝋥
- Chinese
- 一千九百二十五
- Chinese (financial)
- 壹仟玖佰貳拾伍
Digit at this position in famous constants
- π — Pi (π)
- Digit 1,925 = 1
- e — Euler's number (e)
- Digit 1,925 = 1
- φ — Golden ratio (φ)
- Digit 1,925 = 2
- √2 — Pythagoras's (√2)
- Digit 1,925 = 9
- ln 2 — Natural log of 2
- Digit 1,925 = 0
- γ — Euler-Mascheroni (γ)
- Digit 1,925 = 5
Also seen as
UTF-8 encoding: DE 85 (2 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.133.
- Address
- 0.0.7.133
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.7.133
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 1925 first appears in π at position 1,166 of the decimal expansion (the 1,166ordinal-suffix:th 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.