13,091
13,091 is a composite number, odd.
13,091 (thirteen thousand ninety-one) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 13 × 19 × 53. Written other ways, in hexadecimal, 0x3323.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 19,031
- Recamán's sequence
- a(48,093) = 13,091
- Square (n²)
- 171,374,281
- Cube (n³)
- 2,243,460,712,571
- Divisor count
- 8
- σ(n) — sum of divisors
- 15,120
- φ(n) — Euler's totient
- 11,232
- Sum of prime factors
- 85
Primality
Prime factorization: 13 × 19 × 53
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√13,091 = [114; (2, 2, 2, 8, 1, 2, 1, 3, 1, 12, 1, 2, 22, 1, 1, 5, 1, 1, 22, 2, 1, 12, 1, 3, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- thirteen thousand ninety-one
- Ordinal
- 13091st
- Binary
- 11001100100011
- Octal
- 31443
- Hexadecimal
- 0x3323
- Base64
- MyM=
- One's complement
- 52,444 (16-bit)
- Scientific notation
- 1.3091 × 10⁴
- As a duration
- 13,091 s = 3 hours, 38 minutes, 11 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ιγϟαʹ
- Mayan (base 20)
- 𝋡·𝋬·𝋮·𝋫
- Chinese
- 一萬三千零九十一
- Chinese (financial)
- 壹萬參仟零玖拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 13,091 = 8
- e — Euler's number (e)
- Digit 13,091 = 9
- φ — Golden ratio (φ)
- Digit 13,091 = 3
- √2 — Pythagoras's (√2)
- Digit 13,091 = 0
- ln 2 — Natural log of 2
- Digit 13,091 = 5
- γ — Euler-Mascheroni (γ)
- Digit 13,091 = 9
Also seen as
UTF-8 encoding: E3 8C A3 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.51.35.
- Address
- 0.0.51.35
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.51.35
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 13,091 Hz is closest to:
- Concert pitch (A4 = 440 Hz): G♯9 (13289.8 Hz, -26¢)
- Scientific pitch (C4 = 256 Hz): G♯9 (13004 Hz, +12¢)
- Baroque pitch (A4 = 415 Hz): A9 (13280 Hz, -25¢)
The digit sequence 13091 first appears in π at position 45,738 of the decimal expansion (the 45,738ordinal-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.