10,139
10,139 is a prime, odd.
10,139 (ten thousand one hundred thirty-nine) is an odd 5-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x279B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 93,101
- Recamán's sequence
- a(5,537) = 10,139
- Square (n²)
- 102,799,321
- Cube (n³)
- 1,042,282,315,619
- Divisor count
- 2
- σ(n) — sum of divisors
- 10,140
- φ(n) — Euler's totient
- 10,138
Primality
10,139 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√10,139 = [100; (1, 2, 3, 1, 19, 2, 1, 2, 2, 2, 1, 7, 2, 1, 7, 15, 2, 1, 3, 2, 1, 4, 1, 2, …)]
Representations
- In words
- ten thousand one hundred thirty-nine
- Ordinal
- 10139th
- Binary
- 10011110011011
- Octal
- 23633
- Hexadecimal
- 0x279B
- Base64
- J5s=
- One's complement
- 55,396 (16-bit)
- Scientific notation
- 1.0139 × 10⁴
- As a duration
- 10,139 s = 2 hours, 48 minutes, 59 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιρλθʹ
- Mayan (base 20)
- 𝋡·𝋥·𝋦·𝋳
- Chinese
- 一萬零一百三十九
- Chinese (financial)
- 壹萬零壹佰參拾玖
Digit at this position in famous constants
- π — Pi (π)
- Digit 10,139 = 8
- e — Euler's number (e)
- Digit 10,139 = 4
- φ — Golden ratio (φ)
- Digit 10,139 = 3
- √2 — Pythagoras's (√2)
- Digit 10,139 = 2
- ln 2 — Natural log of 2
- Digit 10,139 = 8
- γ — Euler-Mascheroni (γ)
- Digit 10,139 = 9
Also seen as
UTF-8 encoding: E2 9E 9B (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.39.155.
- Address
- 0.0.39.155
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.39.155
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 10,139 Hz is closest to:
- Concert pitch (A4 = 440 Hz): D♯9 (9956.1 Hz, +32¢)
- Scientific pitch (C4 = 256 Hz): E9 (10321.3 Hz, -31¢)
- Baroque pitch (A4 = 415 Hz): E9 (9948.8 Hz, +33¢)
The digit sequence 10139 first appears in π at position 141,097 of the decimal expansion (the 141,097ordinal-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.