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56,121

56,121 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 Evil Number Recamán's Sequence Self Number Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
15
Digit product
60
Digital root
6
Palindrome
No
Bit width
16 bits
Reversed
12,165
Recamán's sequence
a(21,538) = 56,121
Square (n²)
3,149,566,641
Cube (n³)
176,756,829,459,561
Divisor count
8
σ(n) — sum of divisors
80,640
φ(n) — Euler's totient
34,512
Sum of prime factors
1,455

Primality

Prime factorization: 3 × 13 × 1439

Nearest primes: 56,113 (−8) · 56,123 (+2)

Divisors & multiples

All divisors (8)
1 · 3 · 13 · 39 · 1439 · 4317 · 18707 · 56121
Aliquot sum (sum of proper divisors): 24,519
Factor pairs (a × b = 56,121)
1 × 56121
3 × 18707
13 × 4317
39 × 1439
First multiples
56,121 · 112,242 (double) · 168,363 · 224,484 · 280,605 · 336,726 · 392,847 · 448,968 · 505,089 · 561,210

Sums & aliquot sequence

As consecutive integers: 28,060 + 28,061 18,706 + 18,707 + 18,708 9,351 + 9,352 + 9,353 + 9,354 + 9,355 + 9,356 4,311 + 4,312 + … + 4,323
Aliquot sequence: 56,121 24,519 11,193 7,623 6,209 895 185 43 1 0 — terminates at zero

Representations

In words
fifty-six thousand one hundred twenty-one
Ordinal
56121st
Binary
1101101100111001
Octal
155471
Hexadecimal
0xDB39
Base64
2zk=
One's complement
9,414 (16-bit)
In other bases
ternary (3) 2211222120
quaternary (4) 31230321
quinary (5) 3243441
senary (6) 1111453
septenary (7) 322422
nonary (9) 84876
undecimal (11) 3918a
duodecimal (12) 28589
tridecimal (13) 1c710
tetradecimal (14) 16649
pentadecimal (15) 11966

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
Greek (Milesian)
͵νϛρκαʹ
Mayan (base 20)
𝋧·𝋠·𝋦·𝋡
Chinese
五萬六千一百二十一
Chinese (financial)
伍萬陸仟壹佰貳拾壹
In other modern scripts
Eastern Arabic ٥٦١٢١ Devanagari ५६१२१ Bengali ৫৬১২১ Tamil ௫௬௧௨௧ Thai ๕๖๑๒๑ Tibetan ༥༦༡༢༡ Khmer ៥៦១២១ Lao ໕໖໑໒໑ Burmese ၅၆၁၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 56,121 = 1
e — Euler's number (e)
Digit 56,121 = 9
φ — Golden ratio (φ)
Digit 56,121 = 5
√2 — Pythagoras's (√2)
Digit 56,121 = 2
ln 2 — Natural log of 2
Digit 56,121 = 3
γ — Euler-Mascheroni (γ)
Digit 56,121 = 3

Also seen as

Hex color
#00DB39
RGB(0, 219, 57)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.219.57.

Address
0.0.219.57
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.219.57

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

Position in π

The digit sequence 56121 first appears in π at position 17,922 of the decimal expansion (the 17,922ordinal-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.