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12,501

12,501 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 Happy Number Harshad / Niven Odious Number Pernicious Number Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
9
Digit product
0
Digital root
9
Palindrome
No
Bit width
14 bits
Reversed
10,521
Recamán's sequence
a(21,782) = 12,501
Square (n²)
156,275,001
Cube (n³)
1,953,593,787,501
Divisor count
8
σ(n) — sum of divisors
18,560
φ(n) — Euler's totient
8,316
Sum of prime factors
472

Primality

Prime factorization: 3 3 × 463

Nearest primes: 12,497 (−4) · 12,503 (+2)

Divisors & multiples

All divisors (8)
1 · 3 · 9 · 27 · 463 · 1389 · 4167 · 12501
Aliquot sum (sum of proper divisors): 6,059
Factor pairs (a × b = 12,501)
1 × 12501
3 × 4167
9 × 1389
27 × 463
First multiples
12,501 · 25,002 (double) · 37,503 · 50,004 · 62,505 · 75,006 · 87,507 · 100,008 · 112,509 · 125,010

Sums & aliquot sequence

As consecutive integers: 6,250 + 6,251 4,166 + 4,167 + 4,168 2,081 + 2,082 + 2,083 + 2,084 + 2,085 + 2,086 1,385 + 1,386 + … + 1,393
Aliquot sequence: 12,501 6,059 157 1 0 — terminates at zero

Representations

In words
twelve thousand five hundred one
Ordinal
12501st
Binary
11000011010101
Octal
30325
Hexadecimal
0x30D5
Base64
MNU=
One's complement
53,034 (16-bit)
In other bases
ternary (3) 122011000
quaternary (4) 3003111
quinary (5) 400001
senary (6) 133513
septenary (7) 51306
nonary (9) 18130
undecimal (11) 9435
duodecimal (12) 7299
tridecimal (13) 58c8
tetradecimal (14) 47ad
pentadecimal (15) 3a86

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓏺
Greek (Milesian)
͵ιβφαʹ
Mayan (base 20)
𝋡·𝋫·𝋥·𝋡
Chinese
一萬二千五百零一
Chinese (financial)
壹萬貳仟伍佰零壹
In other modern scripts
Eastern Arabic ١٢٥٠١ Devanagari १२५०१ Bengali ১২৫০১ Tamil ௧௨௫௦௧ Thai ๑๒๕๐๑ Tibetan ༡༢༥༠༡ Khmer ១២៥០១ Lao ໑໒໕໐໑ Burmese ၁၂၅၀၁

Digit at this position in famous constants

π — Pi (π)
Digit 12,501 = 1
e — Euler's number (e)
Digit 12,501 = 6
φ — Golden ratio (φ)
Digit 12,501 = 7
√2 — Pythagoras's (√2)
Digit 12,501 = 6
ln 2 — Natural log of 2
Digit 12,501 = 3
γ — Euler-Mascheroni (γ)
Digit 12,501 = 1

Also seen as

Unicode codepoint
Katakana Letter Hu
U+30D5
Other letter (Lo)

UTF-8 encoding: E3 83 95 (3 bytes).

Hex color
#0030D5
RGB(0, 48, 213)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.48.213.

Address
0.0.48.213
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.48.213

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

Position in π

The digit sequence 12501 first appears in π at position 17,866 of the decimal expansion (the 17,866ordinal-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.