42,628
42,628 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 22
- Digit product
- 768
- Digital root
- 4
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 82,624
- Recamán's sequence
- a(73,336) = 42,628
- Square (n²)
- 1,817,146,384
- Cube (n³)
- 77,461,316,057,152
- Divisor count
- 6
- σ(n) — sum of divisors
- 74,606
- φ(n) — Euler's totient
- 21,312
- Sum of prime factors
- 10,661
Primality
Prime factorization: 2 2 × 10657
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- forty-two thousand six hundred twenty-eight
- Ordinal
- 42628th
- Binary
- 1010011010000100
- Octal
- 123204
- Hexadecimal
- 0xA684
- Base64
- poQ=
- One's complement
- 22,907 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵μβχκηʹ
- Mayan (base 20)
- 𝋥·𝋦·𝋫·𝋨
- Chinese
- 四萬二千六百二十八
- Chinese (financial)
- 肆萬貳仟陸佰貳拾捌
Digit at this position in famous constants
- π — Pi (π)
- Digit 42,628 = 8
- e — Euler's number (e)
- Digit 42,628 = 0
- φ — Golden ratio (φ)
- Digit 42,628 = 0
- √2 — Pythagoras's (√2)
- Digit 42,628 = 8
- ln 2 — Natural log of 2
- Digit 42,628 = 0
- γ — Euler-Mascheroni (γ)
- Digit 42,628 = 2
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 42628, here are decompositions:
- 17 + 42611 = 42628
- 59 + 42569 = 42628
- 71 + 42557 = 42628
- 137 + 42491 = 42628
- 167 + 42461 = 42628
- 191 + 42437 = 42628
- 269 + 42359 = 42628
- 347 + 42281 = 42628
Showing the first eight; more decompositions exist.
UTF-8 encoding: EA 9A 84 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.166.132.
- Address
- 0.0.166.132
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.166.132
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 42628 first appears in π at position 113,334 of the decimal expansion (the 113,334ordinal-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.