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13,855

13,855 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 Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
22
Digit product
600
Digital root
4
Palindrome
No
Bit width
14 bits
Reversed
55,831
Recamán's sequence
a(21,006) = 13,855
Square (n²)
191,961,025
Cube (n³)
2,659,620,001,375
Divisor count
8
σ(n) — sum of divisors
17,712
φ(n) — Euler's totient
10,368
Sum of prime factors
185

Primality

Prime factorization: 5 × 17 × 163

Nearest primes: 13,841 (−14) · 13,859 (+4)

Divisors & multiples

All divisors (8)
1 · 5 · 17 · 85 · 163 · 815 · 2771 · 13855
Aliquot sum (sum of proper divisors): 3,857
Factor pairs (a × b = 13,855)
1 × 13855
5 × 2771
17 × 815
85 × 163
First multiples
13,855 · 27,710 (double) · 41,565 · 55,420 · 69,275 · 83,130 · 96,985 · 110,840 · 124,695 · 138,550

Sums & aliquot sequence

As consecutive integers: 6,927 + 6,928 2,769 + 2,770 + 2,771 + 2,772 + 2,773 1,381 + 1,382 + … + 1,390 807 + 808 + … + 823
Aliquot sequence: 13,855 3,857 943 65 19 1 0 — terminates at zero

Representations

In words
thirteen thousand eight hundred fifty-five
Ordinal
13855th
Binary
11011000011111
Octal
33037
Hexadecimal
0x361F
Base64
Nh8=
One's complement
51,680 (16-bit)
In other bases
ternary (3) 201000011
quaternary (4) 3120133
quinary (5) 420410
senary (6) 144051
septenary (7) 55252
nonary (9) 21004
undecimal (11) a456
duodecimal (12) 8027
tridecimal (13) 63ca
tetradecimal (14) 5099
pentadecimal (15) 418a

Historical numeral systems

Babylonian (base 60)
𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ιγωνεʹ
Mayan (base 20)
𝋡·𝋮·𝋬·𝋯
Chinese
一萬三千八百五十五
Chinese (financial)
壹萬參仟捌佰伍拾伍
In other modern scripts
Eastern Arabic ١٣٨٥٥ Devanagari १३८५५ Bengali ১৩৮৫৫ Tamil ௧௩௮௫௫ Thai ๑๓๘๕๕ Tibetan ༡༣༨༥༥ Khmer ១៣៨៥៥ Lao ໑໓໘໕໕ Burmese ၁၃၈၅၅

Digit at this position in famous constants

π — Pi (π)
Digit 13,855 = 1
e — Euler's number (e)
Digit 13,855 = 7
φ — Golden ratio (φ)
Digit 13,855 = 7
√2 — Pythagoras's (√2)
Digit 13,855 = 8
ln 2 — Natural log of 2
Digit 13,855 = 7
γ — Euler-Mascheroni (γ)
Digit 13,855 = 8

Also seen as

Unicode codepoint
CJK Unified Ideograph-361F
U+361F
Other letter (Lo)

UTF-8 encoding: E3 98 9F (3 bytes).

Hex color
#00361F
RGB(0, 54, 31)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.31.

Address
0.0.54.31
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.54.31

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

Position in π

The digit sequence 13855 first appears in π at position 93,772 of the decimal expansion (the 93,772ordinal-suffix:nd 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.