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55,421

55,421 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 Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
17
Digit product
200
Digital root
8
Palindrome
No
Bit width
16 bits
Reversed
12,455
Recamán's sequence
a(140,713) = 55,421
Square (n²)
3,071,487,241
Cube (n³)
170,224,894,383,461
Divisor count
4
σ(n) — sum of divisors
55,932
φ(n) — Euler's totient
54,912
Sum of prime factors
510

Primality

Prime factorization: 157 × 353

Nearest primes: 55,411 (−10) · 55,439 (+18)

Divisors & multiples

All divisors (4)
1 · 157 · 353 · 55421
Aliquot sum (sum of proper divisors): 511
Factor pairs (a × b = 55,421)
1 × 55421
157 × 353
First multiples
55,421 · 110,842 (double) · 166,263 · 221,684 · 277,105 · 332,526 · 387,947 · 443,368 · 498,789 · 554,210

Sums & aliquot sequence

As a sum of two squares: 14² + 235² = 139² + 190²
As consecutive integers: 27,710 + 27,711 275 + 276 + … + 431 20 + 21 + … + 333
Aliquot sequence: 55,421 511 81 40 50 43 1 0 — terminates at zero

Representations

In words
fifty-five thousand four hundred twenty-one
Ordinal
55421st
Binary
1101100001111101
Octal
154175
Hexadecimal
0xD87D
Base64
2H0=
One's complement
10,114 (16-bit)
In other bases
ternary (3) 2211000122
quaternary (4) 31201331
quinary (5) 3233141
senary (6) 1104325
septenary (7) 320402
nonary (9) 84018
undecimal (11) 38703
duodecimal (12) 280a5
tridecimal (13) 1c2c2
tetradecimal (14) 162a9
pentadecimal (15) 1164b

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
Greek (Milesian)
͵νευκαʹ
Mayan (base 20)
𝋦·𝋲·𝋫·𝋡
Chinese
五萬五千四百二十一
Chinese (financial)
伍萬伍仟肆佰貳拾壹
In other modern scripts
Eastern Arabic ٥٥٤٢١ Devanagari ५५४२१ Bengali ৫৫৪২১ Tamil ௫௫௪௨௧ Thai ๕๕๔๒๑ Tibetan ༥༥༤༢༡ Khmer ៥៥៤២១ Lao ໕໕໔໒໑ Burmese ၅၅၄၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 55,421 = 5
e — Euler's number (e)
Digit 55,421 = 6
φ — Golden ratio (φ)
Digit 55,421 = 6
√2 — Pythagoras's (√2)
Digit 55,421 = 0
ln 2 — Natural log of 2
Digit 55,421 = 9
γ — Euler-Mascheroni (γ)
Digit 55,421 = 5

Also seen as

Hex color
#00D87D
RGB(0, 216, 125)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.216.125.

Address
0.0.216.125
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.216.125

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

Position in π

The digit sequence 55421 first appears in π at position 53,890 of the decimal expansion (the 53,890ordinal-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.