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8,002

8,002 is a composite number, even.

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.).
Deficient Number Happy Number Odious Number Pernicious Number Recamán's Sequence Self Number Semiprime Squarefree

Properties

Parity
Even
Digit count
4
Digit sum
10
Digit product
0
Digital root
1
Palindrome
No
Bit width
13 bits
Reversed
2,008
Recamán's sequence
a(25,592) = 8,002
Square (n²)
64,032,004
Cube (n³)
512,384,096,008
Divisor count
4
σ(n) — sum of divisors
12,006
φ(n) — Euler's totient
4,000
Sum of prime factors
4,003

Primality

Prime factorization: 2 × 4001

Nearest primes: 7,993 (−9) · 8,009 (+7)

Divisors & multiples

All divisors (4)
1 · 2 · 4001 (half) · 8002
Aliquot sum (sum of proper divisors): 4,004
Factor pairs (a × b = 8,002)
1 × 8002
2 × 4001
First multiples
8,002 · 16,004 (double) · 24,006 · 32,008 · 40,010 · 48,012 · 56,014 · 64,016 · 72,018 · 80,020

Sums & aliquot sequence

As a sum of two squares: 9² + 89²
As consecutive integers: 1,999 + 2,000 + 2,001 + 2,002
Aliquot sequence: 8,002 4,004 5,404 5,460 13,356 25,956 49,756 49,812 83,244 138,964 144,326 127,978 67,322 36,250 34,040 48,040 60,140 — unresolved within range

Representations

In words
eight thousand two
Ordinal
8002nd
Binary
1111101000010
Octal
17502
Hexadecimal
0x1F42
Base64
H0I=
One's complement
57,533 (16-bit)
In other bases
ternary (3) 101222101
quaternary (4) 1331002
quinary (5) 224002
senary (6) 101014
septenary (7) 32221
nonary (9) 11871
undecimal (11) 6015
duodecimal (12) 476a
tridecimal (13) 3847
tetradecimal (14) 2cb8
pentadecimal (15) 2587

Historical numeral systems

Babylonian (base 60)
𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓏺𓏺
Greek (Milesian)
͵ηβʹ
Mayan (base 20)
𝋡·𝋠·𝋠·𝋢
Chinese
八千零二
Chinese (financial)
捌仟零貳
In other modern scripts
Eastern Arabic ٨٠٠٢ Devanagari ८००२ Bengali ৮০০২ Tamil ௮௦௦௨ Thai ๘๐๐๒ Tibetan ༨༠༠༢ Khmer ៨០០២ Lao ໘໐໐໒ Burmese ၈၀၀၂

Digit at this position in famous constants

π — Pi (π)
Digit 8,002 = 5
e — Euler's number (e)
Digit 8,002 = 7
φ — Golden ratio (φ)
Digit 8,002 = 2
√2 — Pythagoras's (√2)
Digit 8,002 = 2
ln 2 — Natural log of 2
Digit 8,002 = 5
γ — Euler-Mascheroni (γ)
Digit 8,002 = 7

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 8002, here are decompositions:

  • 53 + 7949 = 8002
  • 83 + 7919 = 8002
  • 101 + 7901 = 8002
  • 149 + 7853 = 8002
  • 173 + 7829 = 8002
  • 179 + 7823 = 8002
  • 311 + 7691 = 8002
  • 353 + 7649 = 8002

Showing the first eight; more decompositions exist.

Unicode codepoint
Greek Small Letter Omicron With Psili And Varia
U+1F42
Lowercase letter (Ll)

UTF-8 encoding: E1 BD 82 (3 bytes).

Hex color
#001F42
RGB(0, 31, 66)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.31.66.

Address
0.0.31.66
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.31.66

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
000008002
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 8002 first appears in π at position 8,884 of the decimal expansion (the 8,884ordinal-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.