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55,121

55,121 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
14
Digit product
50
Digital root
5
Palindrome
No
Bit width
16 bits
Reversed
12,155
Recamán's sequence
a(141,313) = 55,121
Square (n²)
3,038,324,641
Cube (n³)
167,475,492,536,561
Divisor count
4
σ(n) — sum of divisors
60,144
φ(n) — Euler's totient
50,100
Sum of prime factors
5,022

Primality

Prime factorization: 11 × 5011

Nearest primes: 55,117 (−4) · 55,127 (+6)

Divisors & multiples

All divisors (4)
1 · 11 · 5011 · 55121
Aliquot sum (sum of proper divisors): 5,023
Factor pairs (a × b = 55,121)
1 × 55121
11 × 5011
First multiples
55,121 · 110,242 (double) · 165,363 · 220,484 · 275,605 · 330,726 · 385,847 · 440,968 · 496,089 · 551,210

Sums & aliquot sequence

As consecutive integers: 27,560 + 27,561 5,006 + 5,007 + … + 5,016 2,495 + 2,496 + … + 2,516
Aliquot sequence: 55,121 5,023 1 0 — terminates at zero

Representations

In words
fifty-five thousand one hundred twenty-one
Ordinal
55121st
Binary
1101011101010001
Octal
153521
Hexadecimal
0xD751
Base64
11E=
One's complement
10,414 (16-bit)
In other bases
ternary (3) 2210121112
quaternary (4) 31131101
quinary (5) 3230441
senary (6) 1103105
septenary (7) 316463
nonary (9) 83545
undecimal (11) 38460
duodecimal (12) 27a95
tridecimal (13) 1c121
tetradecimal (14) 16133
pentadecimal (15) 114eb

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
Greek (Milesian)
͵νερκαʹ
Mayan (base 20)
𝋦·𝋱·𝋰·𝋡
Chinese
五萬五千一百二十一
Chinese (financial)
伍萬伍仟壹佰貳拾壹
In other modern scripts
Eastern Arabic ٥٥١٢١ Devanagari ५५१२१ Bengali ৫৫১২১ Tamil ௫௫௧௨௧ Thai ๕๕๑๒๑ Tibetan ༥༥༡༢༡ Khmer ៥៥១២១ Lao ໕໕໑໒໑ Burmese ၅၅၁၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 55,121 = 5
e — Euler's number (e)
Digit 55,121 = 0
φ — Golden ratio (φ)
Digit 55,121 = 7
√2 — Pythagoras's (√2)
Digit 55,121 = 5
ln 2 — Natural log of 2
Digit 55,121 = 1
γ — Euler-Mascheroni (γ)
Digit 55,121 = 9

Also seen as

Unicode codepoint
Hangul Syllable Heug
U+D751
Other letter (Lo)

UTF-8 encoding: ED 9D 91 (3 bytes).

Hex color
#00D751
RGB(0, 215, 81)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.81.

Address
0.0.215.81
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.215.81

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

Position in π

The digit sequence 55121 first appears in π at position 51,710 of the decimal expansion (the 51,710ordinal-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.