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Number

1,953

1,953 is a composite number, odd, a calendar year.

Deficient Number Evil Number Recamán's Sequence Triangular Year

Notable events — 1953 AD

  1. Mar 5 Soviet leader Joseph Stalin dies.
  2. Apr 25 James Watson and Francis Crick publish the double-helix structure of DNA.
  3. May 29 Edmund Hillary and Tenzing Norgay become the first to summit Mount Everest.
  4. Jun 2 Queen Elizabeth II is crowned at Westminster Abbey.
  5. Jul 27 An armistice ends the active fighting of the Korean War.

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, 1953
Ended on
Thursday
December 31, 1953
Friday the 13ths
3
3 Friday the 13ths this year.
Easter Sunday
April 5
Sunday, April 5, 1953
Decade
1950s
1950–1959
Century
20th century
1901–2000
Millennium
2nd millennium
1001–2000
Years ago
73
73 years before 2026.

In other calendars

Hebrew
5713 / 5714 AM
Rosh Hashanah falls in September/October.
Islamic Hijri
1372 / 1373 AH
Lunar calendar; year spans differ from Gregorian.
Chinese
Year of the zodiac:Water zodiac:Snake
Sexagenary cycle position 30 of 60. Lunar new year falls in late January / mid-February.
Buddhist Era
2496 BE
Counted from the parinirvana of the Buddha (Theravada / Thai / Sri Lankan convention).
Persian Solar Hijri
1331 / 1332 SH
Iranian calendar; Nowruz (new year) falls on the spring equinox.
Ethiopian
1945 / 1946 ET
Year boundary at Enkutatash (September 11/12).
Indian National (Saka)
1875 / 1874 Saka
Indian national calendar; year starts in March.
Japanese
Shōwa 28
Reign-era counting from the start of each emperor's reign.

Properties

Parity
Odd
Digit count
4
Digit sum
18
Digit product
135
Digital root
9
Palindrome
No
Bit width
11 bits
Reversed
3,591
Recamán's sequence
a(3,845) = 1,953
Square (n²)
3,814,209
Cube (n³)
7,449,150,177
Divisor count
12
σ(n) — sum of divisors
3,328
φ(n) — Euler's totient
1,080
Sum of prime factors
44

Primality

Prime factorization: 3 2 × 7 × 31

Nearest primes: 1,951 (−2) · 1,973 (+20)

Divisors & multiples

All divisors (12)
1 · 3 · 7 · 9 · 21 · 31 · 63 · 93 · 217 · 279 · 651 · 1953
Aliquot sum (sum of proper divisors): 1,375
Factor pairs (a × b = 1,953)
1 × 1953
3 × 651
7 × 279
9 × 217
21 × 93
31 × 63
First multiples
1,953 · 3,906 (double) · 5,859 · 7,812 · 9,765 · 11,718 · 13,671 · 15,624 · 17,577 · 19,530

Sums & aliquot sequence

As consecutive integers: 976 + 977 650 + 651 + 652 323 + 324 + 325 + 326 + 327 + 328 276 + 277 + … + 282
Aliquot sequence: 1,953 1,375 497 79 1 0 — terminates at zero

Representations

In words
one thousand nine hundred fifty-three
Ordinal
1953rd
Roman numeral
MCMLIII
Binary
11110100001
Octal
3641
Hexadecimal
0x7A1
Base64
B6E=
One's complement
63,582 (16-bit)
In other bases
ternary (3) 2200100
quaternary (4) 132201
quinary (5) 30303
senary (6) 13013
septenary (7) 5460
nonary (9) 2610
undecimal (11) 1516
duodecimal (12) 1169
tridecimal (13) b73
tetradecimal (14) 9d7
pentadecimal (15) 8a3

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺
Greek (Milesian)
͵αϡνγʹ
Mayan (base 20)
𝋤·𝋱·𝋭
Chinese
一千九百五十三
Chinese (financial)
壹仟玖佰伍拾參
In other modern scripts
Eastern Arabic ١٩٥٣ Devanagari १९५३ Bengali ১৯৫৩ Tamil ௧௯௫௩ Thai ๑๙๕๓ Tibetan ༡༩༥༣ Khmer ១៩៥៣ Lao ໑໙໕໓ Burmese ၁၉၅၃

Digit at this position in famous constants

π — Pi (π)
Digit 1,953 = 6
e — Euler's number (e)
Digit 1,953 = 5
φ — Golden ratio (φ)
Digit 1,953 = 6
√2 — Pythagoras's (√2)
Digit 1,953 = 1
ln 2 — Natural log of 2
Digit 1,953 = 5
γ — Euler-Mascheroni (γ)
Digit 1,953 = 2

Also seen as

Unicode codepoint
ޡ
Thaana Letter Zo
U+07A1
Other letter (Lo)

UTF-8 encoding: DE A1 (2 bytes).

Hex color
#0007A1
RGB(0, 7, 161)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.7.161.

Address
0.0.7.161
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.7.161

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 1953 first appears in π at position 417 of the decimal expansion (the 417ordinal-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.