13,137
13,137 is a composite number, odd.
13,137 (thirteen thousand one hundred thirty-seven) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 3 × 29 × 151. Written other ways, in hexadecimal, 0x3351.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 15
- Digit product
- 63
- Digital root
- 6
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 73,131
- Recamán's sequence
- a(48,001) = 13,137
- Square (n²)
- 172,580,769
- Cube (n³)
- 2,267,193,562,353
- Divisor count
- 8
- σ(n) — sum of divisors
- 18,240
- φ(n) — Euler's totient
- 8,400
- Sum of prime factors
- 183
Primality
Prime factorization: 3 × 29 × 151
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,137 = [114; (1, 1, 1, 1, 1, 1, 3, 1, 2, 2, 4, 14, 9, 1, 8, 1, 1, 1, 6, 3, 2, 3, 6, 1, …)]
Period length 42 — the block in parentheses repeats forever.
Representations
- In words
- thirteen thousand one hundred thirty-seven
- Ordinal
- 13137th
- Binary
- 11001101010001
- Octal
- 31521
- Hexadecimal
- 0x3351
- Base64
- M1E=
- One's complement
- 52,398 (16-bit)
- Scientific notation
- 1.3137 × 10⁴
- As a duration
- 13,137 s = 3 hours, 38 minutes, 57 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ιγρλζʹ
- Mayan (base 20)
- 𝋡·𝋬·𝋰·𝋱
- Chinese
- 一萬三千一百三十七
- Chinese (financial)
- 壹萬參仟壹佰參拾柒
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,137 = 0
- e — Euler's number (e)
- Digit 13,137 = 9
- φ — Golden ratio (φ)
- Digit 13,137 = 4
- √2 — Pythagoras's (√2)
- Digit 13,137 = 5
- ln 2 — Natural log of 2
- Digit 13,137 = 6
- γ — Euler-Mascheroni (γ)
- Digit 13,137 = 9
Also seen as
UTF-8 encoding: E3 8D 91 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.81.
- Address
- 0.0.51.81
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.51.81
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,137 Hz is closest to:
- Concert pitch (A4 = 440 Hz): G♯9 (13289.8 Hz, -20¢)
- Scientific pitch (C4 = 256 Hz): G♯9 (13004 Hz, +18¢)
- Baroque pitch (A4 = 415 Hz): A9 (13280 Hz, -19¢)
The digit sequence 13137 first appears in π at position 156,648 of the decimal expansion (the 156,648ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.