11,001
11,001 is a composite number, odd.
11,001 (eleven thousand one) is an odd 5-digit number. It is a composite number with 8 divisors, and factors as 3 × 19 × 193. Written other ways, in hexadecimal, 0x2AF9.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 3
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 10,011
- Flips to (rotate 180°)
- 10,011
- Recamán's sequence
- a(174,257) = 11,001
- Square (n²)
- 121,022,001
- Cube (n³)
- 1,331,363,033,001
- Divisor count
- 8
- σ(n) — sum of divisors
- 15,520
- φ(n) — Euler's totient
- 6,912
- Sum of prime factors
- 215
Primality
Prime factorization: 3 × 19 × 193
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√11,001 = [104; (1, 7, 1, 2, 1, 12, 2, 1, 2, 1, 1, 4, 3, 2, 1, 29, 3, 1, 2, 2, 9, 1, 1, 3, …)]
Representations
- In words
- eleven thousand one
- Ordinal
- 11001st
- Binary
- 10101011111001
- Octal
- 25371
- Hexadecimal
- 0x2AF9
- Base64
- Kvk=
- One's complement
- 54,534 (16-bit)
- Scientific notation
- 1.1001 × 10⁴
- As a duration
- 11,001 s = 3 hours, 3 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒁹𒁹𒁹 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓏺
- Greek (Milesian)
- ͵ιααʹ
- Mayan (base 20)
- 𝋡·𝋧·𝋪·𝋡
- Chinese
- 一萬一千零一
- Chinese (financial)
- 壹萬壹仟零壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 11,001 = 1
- e — Euler's number (e)
- Digit 11,001 = 6
- φ — Golden ratio (φ)
- Digit 11,001 = 7
- √2 — Pythagoras's (√2)
- Digit 11,001 = 9
- ln 2 — Natural log of 2
- Digit 11,001 = 1
- γ — Euler-Mascheroni (γ)
- Digit 11,001 = 8
Also seen as
UTF-8 encoding: E2 AB B9 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.42.249.
- Address
- 0.0.42.249
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.42.249
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 11,001 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F9 (11175.3 Hz, -27¢)
- Scientific pitch (C4 = 256 Hz): F9 (10935 Hz, +10¢)
- Baroque pitch (A4 = 415 Hz): F♯9 (11167.1 Hz, -26¢)
The digit sequence 11001 first appears in π at position 321,663 of the decimal expansion (the 321,663ordinal-suffix:rd 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°.