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4,628

4,628 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.).
Arithmetic Number Deficient Number Evil Number Recamán's Sequence

Properties

Parity
Even
Digit count
4
Digit sum
20
Digit product
384
Digital root
2
Palindrome
No
Bit width
13 bits
Reversed
8,264
Recamán's sequence
a(5,484) = 4,628
Square (n²)
21,418,384
Cube (n³)
99,124,281,152
Divisor count
12
σ(n) — sum of divisors
8,820
φ(n) — Euler's totient
2,112
Sum of prime factors
106

Primality

Prime factorization: 2 2 × 13 × 89

Nearest primes: 4,621 (−7) · 4,637 (+9)

Divisors & multiples

All divisors (12)
1 · 2 · 4 · 13 · 26 · 52 · 89 · 178 · 356 · 1157 · 2314 (half) · 4628
Aliquot sum (sum of proper divisors): 4,192
Factor pairs (a × b = 4,628)
1 × 4628
2 × 2314
4 × 1157
13 × 356
26 × 178
52 × 89
First multiples
4,628 · 9,256 (double) · 13,884 · 18,512 · 23,140 · 27,768 · 32,396 · 37,024 · 41,652 · 46,280

Sums & aliquot sequence

As a sum of two squares: 2² + 68² = 28² + 62²
As consecutive integers: 575 + 576 + … + 582 350 + 351 + … + 362 8 + 9 + … + 96
Aliquot sequence: 4,628 4,192 4,124 3,100 3,844 3,107 253 35 13 1 0 — terminates at zero

Representations

In words
four thousand six hundred twenty-eight
Ordinal
4628th
Binary
1001000010100
Octal
11024
Hexadecimal
0x1214
Base64
EhQ=
One's complement
60,907 (16-bit)
In other bases
ternary (3) 20100102
quaternary (4) 1020110
quinary (5) 122003
senary (6) 33232
septenary (7) 16331
nonary (9) 6312
undecimal (11) 3528
duodecimal (12) 2818
tridecimal (13) 2150
tetradecimal (14) 1988
pentadecimal (15) 1588

Historical numeral systems

Babylonian (base 60)
𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
Egyptian hieroglyphic
𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
Greek (Milesian)
͵δχκηʹ
Mayan (base 20)
𝋫·𝋫·𝋨
Chinese
四千六百二十八
Chinese (financial)
肆仟陸佰貳拾捌
In other modern scripts
Eastern Arabic ٤٦٢٨ Devanagari ४६२८ Bengali ৪৬২৮ Tamil ௪௬௨௮ Thai ๔๖๒๘ Tibetan ༤༦༢༨ Khmer ៤៦២៨ Lao ໔໖໒໘ Burmese ၄၆၂၈

Digit at this position in famous constants

π — Pi (π)
Digit 4,628 = 7
e — Euler's number (e)
Digit 4,628 = 1
φ — Golden ratio (φ)
Digit 4,628 = 8
√2 — Pythagoras's (√2)
Digit 4,628 = 0
ln 2 — Natural log of 2
Digit 4,628 = 3
γ — Euler-Mascheroni (γ)
Digit 4,628 = 1

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 4628, here are decompositions:

  • 7 + 4621 = 4628
  • 31 + 4597 = 4628
  • 37 + 4591 = 4628
  • 61 + 4567 = 4628
  • 67 + 4561 = 4628
  • 79 + 4549 = 4628
  • 109 + 4519 = 4628
  • 181 + 4447 = 4628

Showing the first eight; more decompositions exist.

Unicode codepoint
Ethiopic Syllable Hhee
U+1214
Other letter (Lo)

UTF-8 encoding: E1 88 94 (3 bytes).

Hex color
#001214
RGB(0, 18, 20)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.18.20.

Address
0.0.18.20
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.18.20

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

Position in π

The digit sequence 4628 first appears in π at position 9,727 of the decimal expansion (the 9,727ordinal-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.