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22,131

22,131 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).

22,131 (twenty-two thousand one hundred thirty-one) is an odd 5-digit number. It is a composite number with 6 divisors, and factors as 3² × 2,459. Written other ways, in hexadecimal, 0x5673.

Arithmetic Number Cube-Free Deficient Number Happy Number Harshad / Niven Moran Number Odious Number Recamán's Sequence

Interestingness

Properties

Parity
Odd
Digit count
5
Digit sum
9
Digit product
12
Digital root
9
Palindrome
No
Bit width
15 bits
Reversed
13,122
Recamán's sequence
a(5,929) = 22,131
Square (n²)
489,781,161
Cube (n³)
10,839,346,874,091
Divisor count
6
σ(n) — sum of divisors
31,980
φ(n) — Euler's totient
14,748
Sum of prime factors
2,465

Primality

Prime factorization: 3 2 × 2459

Nearest primes: 22,129 (−2) · 22,133 (+2)

Divisors & multiples

All divisors (6)
1 · 3 · 9 · 2459 · 7377 · 22131
Aliquot sum (sum of proper divisors): 9,849
Factor pairs (a × b = 22,131)
1 × 22131
3 × 7377
9 × 2459
First multiples
22,131 · 44,262 (double) · 66,393 · 88,524 · 110,655 · 132,786 · 154,917 · 177,048 · 199,179 · 221,310

Sums & aliquot sequence

As consecutive integers: 11,065 + 11,066 7,376 + 7,377 + 7,378 3,686 + 3,687 + 3,688 + 3,689 + 3,690 + 3,691 2,455 + 2,456 + … + 2,463
Aliquot sequence: 22,131 9,849 5,655 4,425 3,015 2,289 1,231 1 0 — terminates at zero

Continued fraction of √n

√22,131 = [148; (1, 3, 3, 1, 15, 1, 3, 3, 1, 296)]

Period length 10 — the block in parentheses repeats forever.

Representations

In words
twenty-two thousand one hundred thirty-one
Ordinal
22131st
Binary
101011001110011
Octal
53163
Hexadecimal
0x5673
Base64
VnM=
One's complement
43,404 (16-bit)
Scientific notation
2.2131 × 10⁴
As a duration
22,131 s = 6 hours, 8 minutes, 51 seconds
In other bases
ternary (3) 1010100200
quaternary (4) 11121303
quinary (5) 1202011
senary (6) 250243
septenary (7) 121344
nonary (9) 33320
undecimal (11) 1569a
duodecimal (12) 10983
tridecimal (13) a0c5
tetradecimal (14) 80cb
pentadecimal (15) 6856

As an angle

22,131° = 61 × 360° + 171°
171° ≈ 2.985 rad
Compass bearing: S (south)

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓏺
Greek (Milesian)
͵κβρλαʹ
Mayan (base 20)
𝋢·𝋯·𝋦·𝋫
Chinese
二萬二千一百三十一
Chinese (financial)
貳萬貳仟壹佰參拾壹
In other modern scripts
Eastern Arabic ٢٢١٣١ Devanagari २२१३१ Bengali ২২১৩১ Tamil ௨௨௧௩௧ Thai ๒๒๑๓๑ Tibetan ༢༢༡༣༡ Khmer ២២១៣១ Lao ໒໒໑໓໑ Burmese ၂၂၁၃၁

Digit at this position in famous constants

π — Pi (π)
Digit 22,131 = 4
e — Euler's number (e)
Digit 22,131 = 3
φ — Golden ratio (φ)
Digit 22,131 = 2
√2 — Pythagoras's (√2)
Digit 22,131 = 9
ln 2 — Natural log of 2
Digit 22,131 = 9
γ — Euler-Mascheroni (γ)
Digit 22,131 = 3

Also seen as

Unicode codepoint
CJK Unified Ideograph-5673
U+5673
Other letter (Lo)

UTF-8 encoding: E5 99 B3 (3 bytes).

Hex color
#005673
RGB(0, 86, 115)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.86.115.

Address
0.0.86.115
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.86.115

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

Position in π

The digit sequence 22131 first appears in π at position 4,564 of the decimal expansion (the 4,564ordinal-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.

Related reading

  • Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.