55,001
55,001 is a prime, odd.
55,001 (fifty-five thousand one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0xD6D9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 16 bits
- Reversed
- 10,055
- Recamán's sequence
- a(141,553) = 55,001
- Square (n²)
- 3,025,110,001
- Cube (n³)
- 166,384,075,165,001
- Divisor count
- 2
- σ(n) — sum of divisors
- 55,002
- φ(n) — Euler's totient
- 55,000
Primality
55,001 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√55,001 = [234; (1, 1, 10, 2, 2, 4, 1, 12, 1, 1, 2, 2, 1, 1, 6, 1, 2, 1, 7, 1, 1, 1, 2, 1, …)]
Representations
- In words
- fifty-five thousand one
- Ordinal
- 55001st
- Binary
- 1101011011011001
- Octal
- 153331
- Hexadecimal
- 0xD6D9
- Base64
- 1tk=
- One's complement
- 10,534 (16-bit)
- Scientific notation
- 5.5001 × 10⁴
- As a duration
- 55,001 s = 15 hours, 16 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓏺
- Greek (Milesian)
- ͵νεαʹ
- Mayan (base 20)
- 𝋦·𝋱·𝋪·𝋡
- Chinese
- 五萬五千零一
- Chinese (financial)
- 伍萬伍仟零壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 55,001 = 7
- e — Euler's number (e)
- Digit 55,001 = 7
- φ — Golden ratio (φ)
- Digit 55,001 = 6
- √2 — Pythagoras's (√2)
- Digit 55,001 = 9
- ln 2 — Natural log of 2
- Digit 55,001 = 1
- γ — Euler-Mascheroni (γ)
- Digit 55,001 = 8
Also seen as
UTF-8 encoding: ED 9B 99 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.214.217.
- Address
- 0.0.214.217
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.214.217
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 55001 first appears in π at position 116,145 of the decimal expansion (the 116,145ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.