55,421
55,421 is a composite number, odd.
55,421 (fifty-five thousand four hundred twenty-one) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 157 × 353. Written other ways, in hexadecimal, 0xD87D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 17
- Digit product
- 200
- Digital root
- 8
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 12,455
- Recamán's sequence
- a(140,713) = 55,421
- Square (n²)
- 3,071,487,241
- Cube (n³)
- 170,224,894,383,461
- Divisor count
- 4
- σ(n) — sum of divisors
- 55,932
- φ(n) — Euler's totient
- 54,912
- Sum of prime factors
- 510
Primality
Prime factorization: 157 × 353
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√55,421 = [235; (2, 2, 2, 470)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- fifty-five thousand four hundred twenty-one
- Ordinal
- 55421st
- Binary
- 1101100001111101
- Octal
- 154175
- Hexadecimal
- 0xD87D
- Base64
- 2H0=
- One's complement
- 10,114 (16-bit)
- Scientific notation
- 5.5421 × 10⁴
- As a duration
- 55,421 s = 15 hours, 23 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵νευκαʹ
- Mayan (base 20)
- 𝋦·𝋲·𝋫·𝋡
- Chinese
- 五萬五千四百二十一
- Chinese (financial)
- 伍萬伍仟肆佰貳拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,421 = 5
- e — Euler's number (e)
- Digit 55,421 = 6
- φ — Golden ratio (φ)
- Digit 55,421 = 6
- √2 — Pythagoras's (√2)
- Digit 55,421 = 0
- ln 2 — Natural log of 2
- Digit 55,421 = 9
- γ — Euler-Mascheroni (γ)
- Digit 55,421 = 5
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.0.216.125.
- Address
- 0.0.216.125
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.216.125
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 55421 first appears in π at position 53,890 of the decimal expansion (the 53,890ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.