13,901
13,901 is a prime, odd.
13,901 (thirteen thousand nine hundred one) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x364D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 10,931
- Recamán's sequence
- a(20,914) = 13,901
- Square (n²)
- 193,237,801
- Cube (n³)
- 2,686,198,671,701
- Divisor count
- 2
- σ(n) — sum of divisors
- 13,902
- φ(n) — Euler's totient
- 13,900
Primality
13,901 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,901 = [117; (1, 9, 3, 1, 8, 1, 2, 11, 2, 4, 17, 1, 10, 1, 5, 2, 5, 3, 2, 4, 58, 1, 2, 1, …)]
Representations
- In words
- thirteen thousand nine hundred one
- Ordinal
- 13901st
- Binary
- 11011001001101
- Octal
- 33115
- Hexadecimal
- 0x364D
- Base64
- Nk0=
- One's complement
- 51,634 (16-bit)
- Scientific notation
- 1.3901 × 10⁴
- As a duration
- 13,901 s = 3 hours, 51 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺
- Greek (Milesian)
- ͵ιγϡαʹ
- Mayan (base 20)
- 𝋡·𝋮·𝋯·𝋡
- Chinese
- 一萬三千九百零一
- Chinese (financial)
- 壹萬參仟玖佰零壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,901 = 7
- e — Euler's number (e)
- Digit 13,901 = 3
- φ — Golden ratio (φ)
- Digit 13,901 = 4
- √2 — Pythagoras's (√2)
- Digit 13,901 = 4
- ln 2 — Natural log of 2
- Digit 13,901 = 1
- γ — Euler-Mascheroni (γ)
- Digit 13,901 = 3
Also seen as
UTF-8 encoding: E3 99 8D (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.54.77.
- Address
- 0.0.54.77
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.54.77
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,901 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A9 (14080 Hz, -22¢)
- Scientific pitch (C4 = 256 Hz): A9 (13777.2 Hz, +15¢)
- Baroque pitch (A4 = 415 Hz): A♯9 (14069.7 Hz, -21¢)
The digit sequence 13901 first appears in π at position 195,587 of the decimal expansion (the 195,587ordinal-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.