55,042
55,042 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 24,055
- Recamán's sequence
- a(141,471) = 55,042
- Square (n²)
- 3,029,621,764
- Cube (n³)
- 166,756,441,134,088
- Divisor count
- 16
- σ(n) — sum of divisors
- 93,240
- φ(n) — Euler's totient
- 24,192
- Sum of prime factors
- 117
Primality
Prime factorization: 2 × 13 × 29 × 73
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- fifty-five thousand forty-two
- Ordinal
- 55042nd
- Binary
- 1101011100000010
- Octal
- 153402
- Hexadecimal
- 0xD702
- Base64
- 1wI=
- One's complement
- 10,493 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵νεμβʹ
- Mayan (base 20)
- 𝋦·𝋱·𝋬·𝋢
- Chinese
- 五萬五千零四十二
- Chinese (financial)
- 伍萬伍仟零肆拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,042 = 9
- e — Euler's number (e)
- Digit 55,042 = 9
- φ — Golden ratio (φ)
- Digit 55,042 = 2
- √2 — Pythagoras's (√2)
- Digit 55,042 = 9
- ln 2 — Natural log of 2
- Digit 55,042 = 2
- γ — Euler-Mascheroni (γ)
- Digit 55,042 = 7
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 55042, here are decompositions:
- 41 + 55001 = 55042
- 59 + 54983 = 55042
- 83 + 54959 = 55042
- 101 + 54941 = 55042
- 173 + 54869 = 55042
- 191 + 54851 = 55042
- 263 + 54779 = 55042
- 269 + 54773 = 55042
Showing the first eight; more decompositions exist.
UTF-8 encoding: ED 9C 82 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.2.
- Address
- 0.0.215.2
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.215.2
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 55042 first appears in π at position 31,060 of the decimal expansion (the 31,060ordinal-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.