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2,904

2,904 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 Evil Number Gapful Number Practical Number Recamán's Sequence Semiperfect Number

Properties

Parity
Even
Digit count
4
Digit sum
15
Digit product
0
Digital root
6
Palindrome
No
Bit width
12 bits
Reversed
4,092
Recamán's sequence
a(2,391) = 2,904
Square (n²)
8,433,216
Cube (n³)
24,490,059,264
Divisor count
24
σ(n) — sum of divisors
7,980
φ(n) — Euler's totient
880
Sum of prime factors
31

Primality

Prime factorization: 2 3 × 3 × 11 2

Nearest primes: 2,903 (−1) · 2,909 (+5)

Divisors & multiples

All divisors (24)
1 · 2 · 3 · 4 · 6 · 8 · 11 · 12 · 22 · 24 · 33 · 44 · 66 · 88 · 121 · 132 · 242 · 264 · 363 · 484 · 726 · 968 · 1452 (half) · 2904
Aliquot sum (sum of proper divisors): 5,076
Factor pairs (a × b = 2,904)
1 × 2904
2 × 1452
3 × 968
4 × 726
6 × 484
8 × 363
11 × 264
12 × 242
22 × 132
24 × 121
33 × 88
44 × 66
First multiples
2,904 · 5,808 (double) · 8,712 · 11,616 · 14,520 · 17,424 · 20,328 · 23,232 · 26,136 · 29,040

Sums & aliquot sequence

As consecutive integers: 967 + 968 + 969 259 + 260 + … + 269 174 + 175 + … + 189 72 + 73 + … + 104
Aliquot sequence: 2,904 5,076 8,364 12,804 20,124 35,932 31,884 42,540 76,740 138,300 262,716 350,316 562,596 762,588 1,307,172 1,777,084 1,332,820 — unresolved within range

Representations

In words
two thousand nine hundred four
Ordinal
2904th
Roman numeral
MMCMIV
Binary
101101011000
Octal
5530
Hexadecimal
0xB58
Base64
C1g=
One's complement
62,631 (16-bit)
In other bases
ternary (3) 10222120
quaternary (4) 231120
quinary (5) 43104
senary (6) 21240
septenary (7) 11316
nonary (9) 3876
undecimal (11) 2200
duodecimal (12) 1820
tridecimal (13) 1425
tetradecimal (14) 10b6
pentadecimal (15) cd9

Historical numeral systems

Babylonian (base 60)
𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺
Greek (Milesian)
͵βϡδʹ
Mayan (base 20)
𝋧·𝋥·𝋤
Chinese
二千九百零四
Chinese (financial)
貳仟玖佰零肆
In other modern scripts
Eastern Arabic ٢٩٠٤ Devanagari २९०४ Bengali ২৯০৪ Tamil ௨௯௦௪ Thai ๒๙๐๔ Tibetan ༢༩༠༤ Khmer ២៩០៤ Lao ໒໙໐໔ Burmese ၂၉၀၄

Digit at this position in famous constants

π — Pi (π)
Digit 2,904 = 9
e — Euler's number (e)
Digit 2,904 = 5
φ — Golden ratio (φ)
Digit 2,904 = 0
√2 — Pythagoras's (√2)
Digit 2,904 = 0
ln 2 — Natural log of 2
Digit 2,904 = 8
γ — Euler-Mascheroni (γ)
Digit 2,904 = 2

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 2904, here are decompositions:

  • 7 + 2897 = 2904
  • 17 + 2887 = 2904
  • 43 + 2861 = 2904
  • 47 + 2857 = 2904
  • 53 + 2851 = 2904
  • 61 + 2843 = 2904
  • 67 + 2837 = 2904
  • 71 + 2833 = 2904

Showing the first eight; more decompositions exist.

Hex color
#000B58
RGB(0, 11, 88)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.11.88.

Address
0.0.11.88
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.11.88

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

Position in π

The digit sequence 2904 first appears in π at position 11,793 of the decimal expansion (the 11,793ordinal-suffix:rd 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.