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13,625

13,625 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 Evil Number Recamán's Sequence

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digit product
180
Digital root
8
Palindrome
No
Bit width
14 bits
Reversed
52,631
Recamán's sequence
a(4,022) = 13,625
Square (n²)
185,640,625
Cube (n³)
2,529,353,515,625
Divisor count
8
σ(n) — sum of divisors
17,160
φ(n) — Euler's totient
10,800
Sum of prime factors
124

Primality

Prime factorization: 5 3 × 109

Nearest primes: 13,619 (−6) · 13,627 (+2)

Divisors & multiples

All divisors (8)
1 · 5 · 25 · 109 · 125 · 545 · 2725 · 13625
Aliquot sum (sum of proper divisors): 3,535
Factor pairs (a × b = 13,625)
1 × 13625
5 × 2725
25 × 545
109 × 125
First multiples
13,625 · 27,250 (double) · 40,875 · 54,500 · 68,125 · 81,750 · 95,375 · 109,000 · 122,625 · 136,250

Sums & aliquot sequence

As a sum of two squares: 13² + 116² = 20² + 115² = 53² + 104² = 80² + 85²
As consecutive integers: 6,812 + 6,813 2,723 + 2,724 + 2,725 + 2,726 + 2,727 1,358 + 1,359 + … + 1,367 533 + 534 + … + 557
Aliquot sequence: 13,625 3,535 1,361 1 0 — terminates at zero

Representations

In words
thirteen thousand six hundred twenty-five
Ordinal
13625th
Binary
11010100111001
Octal
32471
Hexadecimal
0x3539
Base64
NTk=
One's complement
51,910 (16-bit)
In other bases
ternary (3) 200200122
quaternary (4) 3110321
quinary (5) 414000
senary (6) 143025
septenary (7) 54503
nonary (9) 20618
undecimal (11) a267
duodecimal (12) 7a75
tridecimal (13) 6281
tetradecimal (14) 4d73
pentadecimal (15) 4085

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγχκεʹ
Mayan (base 20)
𝋡·𝋮·𝋡·𝋥
Chinese
一萬三千六百二十五
Chinese (financial)
壹萬參仟陸佰貳拾伍
In other modern scripts
Eastern Arabic ١٣٦٢٥ Devanagari १३६२५ Bengali ১৩৬২৫ Tamil ௧௩௬௨௫ Thai ๑๓๖๒๕ Tibetan ༡༣༦༢༥ Khmer ១៣៦២៥ Lao ໑໓໖໒໕ Burmese ၁၃၆၂၅

Digit at this position in famous constants

π — Pi (π)
Digit 13,625 = 5
e — Euler's number (e)
Digit 13,625 = 7
φ — Golden ratio (φ)
Digit 13,625 = 8
√2 — Pythagoras's (√2)
Digit 13,625 = 6
ln 2 — Natural log of 2
Digit 13,625 = 3
γ — Euler-Mascheroni (γ)
Digit 13,625 = 6

Also seen as

Unicode codepoint
CJK Unified Ideograph-3539
U+3539
Other letter (Lo)

UTF-8 encoding: E3 94 B9 (3 bytes).

Hex color
#003539
RGB(0, 53, 57)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.53.57.

Address
0.0.53.57
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.53.57

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

Position in π

The digit sequence 13625 first appears in π at position 20,123 of the decimal expansion (the 20,123ordinal-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.