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5,555

5,555 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 Gapful Number Happy Number Palindrome Recamán's Sequence Repdigit Sphenic Number Squarefree

Properties

Parity
Odd
Digit count
4
Digit sum
20
Digit product
625
Digital root
2
Palindrome
Yes
Bit width
13 bits
Recamán's sequence
a(2,854) = 5,555
Square (n²)
30,858,025
Cube (n³)
171,416,328,875
Divisor count
8
σ(n) — sum of divisors
7,344
φ(n) — Euler's totient
4,000
Sum of prime factors
117

Primality

Prime factorization: 5 × 11 × 101

Nearest primes: 5,531 (−24) · 5,557 (+2)

Divisors & multiples

All divisors (8)
1 · 5 · 11 · 55 · 101 · 505 · 1111 · 5555
Aliquot sum (sum of proper divisors): 1,789
Factor pairs (a × b = 5,555)
1 × 5555
5 × 1111
11 × 505
55 × 101
First multiples
5,555 · 11,110 (double) · 16,665 · 22,220 · 27,775 · 33,330 · 38,885 · 44,440 · 49,995 · 55,550

Sums & aliquot sequence

As consecutive integers: 2,777 + 2,778 1,109 + 1,110 + 1,111 + 1,112 + 1,113 551 + 552 + … + 560 500 + 501 + … + 510
Aliquot sequence: 5,555 1,789 1 0 — terminates at zero

Representations

In words
five thousand five hundred fifty-five
Ordinal
5555th
Binary
1010110110011
Octal
12663
Hexadecimal
0x15B3
Base64
FbM=
One's complement
59,980 (16-bit)
In other bases
ternary (3) 21121202
quaternary (4) 1112303
quinary (5) 134210
senary (6) 41415
septenary (7) 22124
nonary (9) 7552
undecimal (11) 41a0
duodecimal (12) 326b
tridecimal (13) 26b4
tetradecimal (14) 204b
pentadecimal (15) 19a5

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵εφνεʹ
Mayan (base 20)
𝋭·𝋱·𝋯
Chinese
五千五百五十五
Chinese (financial)
伍仟伍佰伍拾伍
In other modern scripts
Eastern Arabic ٥٥٥٥ Devanagari ५५५५ Bengali ৫৫৫৫ Tamil ௫௫௫௫ Thai ๕๕๕๕ Tibetan ༥༥༥༥ Khmer ៥៥៥៥ Lao ໕໕໕໕ Burmese ၅၅၅၅

Digit at this position in famous constants

π — Pi (π)
Digit 5,555 = 4
e — Euler's number (e)
Digit 5,555 = 0
φ — Golden ratio (φ)
Digit 5,555 = 7
√2 — Pythagoras's (√2)
Digit 5,555 = 4
ln 2 — Natural log of 2
Digit 5,555 = 6
γ — Euler-Mascheroni (γ)
Digit 5,555 = 3

Also seen as

Unicode codepoint
Canadian Syllabics Blackfoot A
U+15B3
Other letter (Lo)

UTF-8 encoding: E1 96 B3 (3 bytes).

Hex color
#0015B3
RGB(0, 21, 179)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.21.179.

Address
0.0.21.179
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.21.179

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

Possible US bank routing number

This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.

Routing number
000005555
Federal Reserve
United States Government

Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.

Position in π

The digit sequence 5555 first appears in π at position 24,466 of the decimal expansion (the 24,466ordinal-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.