55,990
55,990 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 28
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 9,955
- Recamán's sequence
- a(291,840) = 55,990
- Square (n²)
- 3,134,880,100
- Cube (n³)
- 175,521,936,799,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 110,160
- φ(n) — Euler's totient
- 20,320
- Sum of prime factors
- 527
Primality
Prime factorization: 2 × 5 × 11 × 509
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- fifty-five thousand nine hundred ninety
- Ordinal
- 55990th
- Binary
- 1101101010110110
- Octal
- 155266
- Hexadecimal
- 0xDAB6
- Base64
- 2rY=
- One's complement
- 9,545 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵νεϡϟʹ
- Mayan (base 20)
- 𝋦·𝋳·𝋳·𝋪
- Chinese
- 五萬五千九百九十
- Chinese (financial)
- 伍萬伍仟玖佰玖拾
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,990 = 5
- e — Euler's number (e)
- Digit 55,990 = 4
- φ — Golden ratio (φ)
- Digit 55,990 = 4
- √2 — Pythagoras's (√2)
- Digit 55,990 = 1
- ln 2 — Natural log of 2
- Digit 55,990 = 1
- γ — Euler-Mascheroni (γ)
- Digit 55,990 = 6
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 55990, here are decompositions:
- 3 + 55987 = 55990
- 23 + 55967 = 55990
- 41 + 55949 = 55990
- 59 + 55931 = 55990
- 89 + 55901 = 55990
- 101 + 55889 = 55990
- 167 + 55823 = 55990
- 173 + 55817 = 55990
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.218.182.
- Address
- 0.0.218.182
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.218.182
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 55990 first appears in π at position 40,806 of the decimal expansion (the 40,806ordinal-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.