55,081
55,081 is a composite number, odd.
55,081 (fifty-five thousand eighty-one) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 13 × 19 × 223. Written other ways, in hexadecimal, 0xD729.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 19
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 18,055
- Recamán's sequence
- a(141,393) = 55,081
- Square (n²)
- 3,033,916,561
- Cube (n³)
- 167,111,158,096,441
- Divisor count
- 8
- σ(n) — sum of divisors
- 62,720
- φ(n) — Euler's totient
- 47,952
- Sum of prime factors
- 255
Primality
Prime factorization: 13 × 19 × 223
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√55,081 = [234; (1, 2, 3, 1, 4, 1, 1, 3, 2, 1, 2, 1, 16, 1, 1, 1, 9, 8, 2, 3, 8, 1, 10, 1, …)]
Representations
- In words
- fifty-five thousand eighty-one
- Ordinal
- 55081st
- Binary
- 1101011100101001
- Octal
- 153451
- Hexadecimal
- 0xD729
- Base64
- 1yk=
- One's complement
- 10,454 (16-bit)
- Scientific notation
- 5.5081 × 10⁴
- As a duration
- 55,081 s = 15 hours, 18 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵νεπαʹ
- Mayan (base 20)
- 𝋦·𝋱·𝋮·𝋡
- Chinese
- 五萬五千零八十一
- Chinese (financial)
- 伍萬伍仟零捌拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,081 = 5
- e — Euler's number (e)
- Digit 55,081 = 9
- φ — Golden ratio (φ)
- Digit 55,081 = 1
- √2 — Pythagoras's (√2)
- Digit 55,081 = 0
- ln 2 — Natural log of 2
- Digit 55,081 = 1
- γ — Euler-Mascheroni (γ)
- Digit 55,081 = 9
Also seen as
UTF-8 encoding: ED 9C A9 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.41.
- Address
- 0.0.215.41
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.215.41
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 55081 first appears in π at position 3,204 of the decimal expansion (the 3,204ordinal-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.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.