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64,064

64,064 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.).
Abundant Number Arithmetic Number Gapful Number Odious Number Pernicious Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
5
Digit sum
20
Digit product
0
Digital root
2
Palindrome
No
Bit width
16 bits
Reversed
46,046
Recamán's sequence
a(286,772) = 64,064
Square (n²)
4,104,196,096
Cube (n³)
262,931,218,694,144
Divisor count
56
σ(n) — sum of divisors
170,688
φ(n) — Euler's totient
23,040
Sum of prime factors
43

Primality

Prime factorization: 2 6 × 7 × 11 × 13

Nearest primes: 64,063 (−1) · 64,067 (+3)

Divisors & multiples

All divisors (56)
1 · 2 · 4 · 7 · 8 · 11 · 13 · 14 · 16 · 22 · 26 · 28 · 32 · 44 · 52 · 56 · 64 · 77 · 88 · 91 · 104 · 112 · 143 · 154 · 176 · 182 · 208 · 224 · 286 · 308 · 352 · 364 · 416 · 448 · 572 · 616 · 704 · 728 · 832 · 1001 · 1144 · 1232 · 1456 · 2002 · 2288 · 2464 · 2912 · 4004 · 4576 · 4928 · 5824 · 8008 · 9152 · 16016 · 32032 (half) · 64064
Aliquot sum (sum of proper divisors): 106,624
Factor pairs (a × b = 64,064)
1 × 64064
2 × 32032
4 × 16016
7 × 9152
8 × 8008
11 × 5824
13 × 4928
14 × 4576
16 × 4004
22 × 2912
26 × 2464
28 × 2288
32 × 2002
44 × 1456
52 × 1232
56 × 1144
64 × 1001
77 × 832
88 × 728
91 × 704
104 × 616
112 × 572
143 × 448
154 × 416
176 × 364
182 × 352
208 × 308
224 × 286
First multiples
64,064 · 128,128 (double) · 192,192 · 256,256 · 320,320 · 384,384 · 448,448 · 512,512 · 576,576 · 640,640

Sums & aliquot sequence

As consecutive integers: 9,149 + 9,150 + … + 9,155 5,819 + 5,820 + … + 5,829 4,922 + 4,923 + … + 4,934 794 + 795 + … + 870
Aliquot sequence: 64,064 106,624 155,006 99,010 79,226 56,614 28,310 25,690 27,302 20,650 23,990 19,210 17,726 8,866 7,262 3,634 2,126 — unresolved within range

Representations

In words
sixty-four thousand sixty-four
Ordinal
64064th
Binary
1111101001000000
Octal
175100
Hexadecimal
0xFA40
Base64
+kA=
One's complement
1,471 (16-bit)
In other bases
ternary (3) 10020212202
quaternary (4) 33221000
quinary (5) 4022224
senary (6) 1212332
septenary (7) 354530
nonary (9) 106782
undecimal (11) 44150
duodecimal (12) 310a8
tridecimal (13) 23210
tetradecimal (14) 194c0
pentadecimal (15) 13eae

Historical numeral systems

Babylonian (base 60)
𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
Greek (Milesian)
͵ξδξδʹ
Mayan (base 20)
𝋨·𝋠·𝋣·𝋤
Chinese
六萬四千零六十四
Chinese (financial)
陸萬肆仟零陸拾肆
In other modern scripts
Eastern Arabic ٦٤٠٦٤ Devanagari ६४०६४ Bengali ৬৪০৬৪ Tamil ௬௪௦௬௪ Thai ๖๔๐๖๔ Tibetan ༦༤༠༦༤ Khmer ៦៤០៦៤ Lao ໖໔໐໖໔ Burmese ၆၄၀၆၄

Digit at this position in famous constants

π — Pi (π)
Digit 64,064 = 0
e — Euler's number (e)
Digit 64,064 = 8
φ — Golden ratio (φ)
Digit 64,064 = 4
√2 — Pythagoras's (√2)
Digit 64,064 = 1
ln 2 — Natural log of 2
Digit 64,064 = 4
γ — Euler-Mascheroni (γ)
Digit 64,064 = 3

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 64064, here are decompositions:

  • 31 + 64033 = 64064
  • 67 + 63997 = 64064
  • 151 + 63913 = 64064
  • 157 + 63907 = 64064
  • 163 + 63901 = 64064
  • 211 + 63853 = 64064
  • 223 + 63841 = 64064
  • 241 + 63823 = 64064

Showing the first eight; more decompositions exist.

Unicode codepoint
CJK Compatibility Ideograph-Fa40
U+FA40
Other letter (Lo)

UTF-8 encoding: EF A9 80 (3 bytes).

Hex color
#00FA40
RGB(0, 250, 64)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.250.64.

Address
0.0.250.64
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.250.64

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

Position in π

The digit sequence 64064 first appears in π at position 78,232 of the decimal expansion (the 78,232ordinal-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.