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12,989

12,989 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.).
Arithmetic Number Deficient Number Odious Number Recamán's Sequence Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
29
Digit product
1,296
Digital root
2
Palindrome
No
Bit width
14 bits
Reversed
98,921
Recamán's sequence
a(48,297) = 12,989
Square (n²)
168,714,121
Cube (n³)
2,191,427,717,669
Divisor count
4
σ(n) — sum of divisors
13,440
φ(n) — Euler's totient
12,540
Sum of prime factors
450

Primality

Prime factorization: 31 × 419

Nearest primes: 12,983 (−6) · 13,001 (+12)

Divisors & multiples

All divisors (4)
1 · 31 · 419 · 12989
Aliquot sum (sum of proper divisors): 451
Factor pairs (a × b = 12,989)
1 × 12989
31 × 419
First multiples
12,989 · 25,978 (double) · 38,967 · 51,956 · 64,945 · 77,934 · 90,923 · 103,912 · 116,901 · 129,890

Sums & aliquot sequence

As consecutive integers: 6,494 + 6,495 404 + 405 + … + 434 179 + 180 + … + 240
Aliquot sequence: 12,989 451 53 1 0 — terminates at zero

Representations

In words
twelve thousand nine hundred eighty-nine
Ordinal
12989th
Binary
11001010111101
Octal
31275
Hexadecimal
0x32BD
Base64
Mr0=
One's complement
52,546 (16-bit)
In other bases
ternary (3) 122211002
quaternary (4) 3022331
quinary (5) 403424
senary (6) 140045
septenary (7) 52604
nonary (9) 18732
undecimal (11) 9839
duodecimal (12) 7625
tridecimal (13) 5bb2
tetradecimal (14) 4a3b
pentadecimal (15) 3cae

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιβϡπθʹ
Mayan (base 20)
𝋡·𝋬·𝋩·𝋩
Chinese
一萬二千九百八十九
Chinese (financial)
壹萬貳仟玖佰捌拾玖
In other modern scripts
Eastern Arabic ١٢٩٨٩ Devanagari १२९८९ Bengali ১২৯৮৯ Tamil ௧௨௯௮௯ Thai ๑๒๙๘๙ Tibetan ༡༢༩༨༩ Khmer ១២៩៨៩ Lao ໑໒໙໘໙ Burmese ၁၂၉၈၉

Digit at this position in famous constants

π — Pi (π)
Digit 12,989 = 8
e — Euler's number (e)
Digit 12,989 = 0
φ — Golden ratio (φ)
Digit 12,989 = 0
√2 — Pythagoras's (√2)
Digit 12,989 = 5
ln 2 — Natural log of 2
Digit 12,989 = 5
γ — Euler-Mascheroni (γ)
Digit 12,989 = 1

Also seen as

Unicode codepoint
Circled Number Forty Eight
U+32BD
Other number (No)

UTF-8 encoding: E3 8A BD (3 bytes).

Hex color
#0032BD
RGB(0, 50, 189)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.50.189.

Address
0.0.50.189
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.50.189

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

Position in π

The digit sequence 12989 first appears in π at position 161,573 of the decimal expansion (the 161,573ordinal-suffix:rd 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.