14,991
14,991 is a composite number, odd.
14,991 (fourteen thousand nine hundred ninety-one) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 3 × 19 × 263. Written other ways, in hexadecimal, 0x3A8F.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 24
- Digit product
- 324
- Digital root
- 6
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 19,941
- Recamán's sequence
- a(90,318) = 14,991
- Square (n²)
- 224,730,081
- Cube (n³)
- 3,368,928,644,271
- Divisor count
- 8
- σ(n) — sum of divisors
- 21,120
- φ(n) — Euler's totient
- 9,432
- Sum of prime factors
- 285
Primality
Prime factorization: 3 × 19 × 263
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√14,991 = [122; (2, 3, 1, 1, 15, 1, 3, 4, 1, 2, 1, 9, 17, 2, 1, 1, 2, 1, 5, 1, 2, 1, 1, 2, …)]
Period length 38 — the block in parentheses repeats forever.
Representations
- In words
- fourteen thousand nine hundred ninety-one
- Ordinal
- 14991st
- Binary
- 11101010001111
- Octal
- 35217
- Hexadecimal
- 0x3A8F
- Base64
- Oo8=
- One's complement
- 50,544 (16-bit)
- Scientific notation
- 1.4991 × 10⁴
- As a duration
- 14,991 s = 4 hours, 9 minutes, 51 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ιδϡϟαʹ
- Mayan (base 20)
- 𝋡·𝋱·𝋩·𝋫
- Chinese
- 一萬四千九百九十一
- Chinese (financial)
- 壹萬肆仟玖佰玖拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 14,991 = 8
- e — Euler's number (e)
- Digit 14,991 = 8
- φ — Golden ratio (φ)
- Digit 14,991 = 2
- √2 — Pythagoras's (√2)
- Digit 14,991 = 9
- ln 2 — Natural log of 2
- Digit 14,991 = 3
- γ — Euler-Mascheroni (γ)
- Digit 14,991 = 7
Also seen as
UTF-8 encoding: E3 AA 8F (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.58.143.
- Address
- 0.0.58.143
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.58.143
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 14,991 Hz is closest to:
- Concert pitch (A4 = 440 Hz): A♯9 (14917.2 Hz, +9¢)
- Scientific pitch (C4 = 256 Hz): A♯9 (14596.5 Hz, +46¢ — about midway to B9)
- Baroque pitch (A4 = 415 Hz): B9 (14906.3 Hz, +10¢)
The digit sequence 14991 first appears in π at position 160,376 of the decimal expansion (the 160,376ordinal-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°.