55,121
55,121 is a composite number, odd.
55,121 (fifty-five thousand one hundred twenty-one) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 11 × 5,011. Written other ways, in hexadecimal, 0xD751.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 50
- Digital root
- 5
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 12,155
- Recamán's sequence
- a(141,313) = 55,121
- Square (n²)
- 3,038,324,641
- Cube (n³)
- 167,475,492,536,561
- Divisor count
- 4
- σ(n) — sum of divisors
- 60,144
- φ(n) — Euler's totient
- 50,100
- Sum of prime factors
- 5,022
Primality
Prime factorization: 11 × 5011
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√55,121 = [234; (1, 3, 1, 1, 14, 8, 2, 7, 2, 19, 1, 17, 1, 4, 1, 11, 1, 6, 11, 1, 1, 2, 6, 1, …)]
Representations
- In words
- fifty-five thousand one hundred twenty-one
- Ordinal
- 55121st
- Binary
- 1101011101010001
- Octal
- 153521
- Hexadecimal
- 0xD751
- Base64
- 11E=
- One's complement
- 10,414 (16-bit)
- Scientific notation
- 5.5121 × 10⁴
- As a duration
- 55,121 s = 15 hours, 18 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵νερκαʹ
- Mayan (base 20)
- 𝋦·𝋱·𝋰·𝋡
- Chinese
- 五萬五千一百二十一
- Chinese (financial)
- 伍萬伍仟壹佰貳拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,121 = 5
- e — Euler's number (e)
- Digit 55,121 = 0
- φ — Golden ratio (φ)
- Digit 55,121 = 7
- √2 — Pythagoras's (√2)
- Digit 55,121 = 5
- ln 2 — Natural log of 2
- Digit 55,121 = 1
- γ — Euler-Mascheroni (γ)
- Digit 55,121 = 9
Also seen as
UTF-8 encoding: ED 9D 91 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.215.81.
- Address
- 0.0.215.81
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.215.81
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 55121 first appears in π at position 51,710 of the decimal expansion (the 51,710ordinal-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.