31,422
31,422 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 12
- Digit product
- 48
- Digital root
- 3
- Palindrome
- No
- Bit width
- 15 bits
- Reversed
- 22,413
- Recamán's sequence
- a(311,540) = 31,422
- Square (n²)
- 987,342,084
- Cube (n³)
- 31,024,262,963,448
- Divisor count
- 8
- σ(n) — sum of divisors
- 62,856
- φ(n) — Euler's totient
- 10,472
- Sum of prime factors
- 5,242
Primality
Prime factorization: 2 × 3 × 5237
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- thirty-one thousand four hundred twenty-two
- Ordinal
- 31422nd
- Binary
- 111101010111110
- Octal
- 75276
- Hexadecimal
- 0x7ABE
- Base64
- er4=
- One's complement
- 34,113 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵λαυκβʹ
- Mayan (base 20)
- 𝋣·𝋲·𝋫·𝋢
- Chinese
- 三萬一千四百二十二
- Chinese (financial)
- 參萬壹仟肆佰貳拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 31,422 = 1
- e — Euler's number (e)
- Digit 31,422 = 4
- φ — Golden ratio (φ)
- Digit 31,422 = 1
- √2 — Pythagoras's (√2)
- Digit 31,422 = 6
- ln 2 — Natural log of 2
- Digit 31,422 = 5
- γ — Euler-Mascheroni (γ)
- Digit 31,422 = 2
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 31422, here are decompositions:
- 29 + 31393 = 31422
- 31 + 31391 = 31422
- 43 + 31379 = 31422
- 89 + 31333 = 31422
- 101 + 31321 = 31422
- 103 + 31319 = 31422
- 151 + 31271 = 31422
- 163 + 31259 = 31422
Showing the first eight; more decompositions exist.
UTF-8 encoding: E7 AA BE (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.122.190.
- Address
- 0.0.122.190
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.122.190
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 31422 first appears in π at position 97,339 of the decimal expansion (the 97,339ordinal-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.