12,001
12,001 is a composite number, odd.
12,001 (twelve thousand one) is an odd 5-digit number. It is a composite number with 4 divisors, and factors as 11 × 1,091. Written other ways, in hexadecimal, 0x2EE1.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 5
- Digit sum
- 4
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 10,021
- Recamán's sequence
- a(22,782) = 12,001
- Square (n²)
- 144,024,001
- Cube (n³)
- 1,728,432,036,001
- Divisor count
- 4
- σ(n) — sum of divisors
- 13,104
- φ(n) — Euler's totient
- 10,900
- Sum of prime factors
- 1,102
Primality
Prime factorization: 11 × 1091
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√12,001 = [109; (1, 1, 4, 1, 1, 2, 6, 2, 5, 72, 1, 5, 1, 1, 1, 7, 2, 6, 1, 1, 2, 23, 1, 18, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- twelve thousand one
- Ordinal
- 12001st
- Binary
- 10111011100001
- Octal
- 27341
- Hexadecimal
- 0x2EE1
- Base64
- LuE=
- One's complement
- 53,534 (16-bit)
- Scientific notation
- 1.2001 × 10⁴
- As a duration
- 12,001 s = 3 hours, 20 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋 𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓏺
- Greek (Milesian)
- ͵ιβαʹ
- Mayan (base 20)
- 𝋡·𝋪·𝋠·𝋡
- Chinese
- 一萬二千零一
- Chinese (financial)
- 壹萬貳仟零壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 12,001 = 0
- e — Euler's number (e)
- Digit 12,001 = 5
- φ — Golden ratio (φ)
- Digit 12,001 = 5
- √2 — Pythagoras's (√2)
- Digit 12,001 = 0
- ln 2 — Natural log of 2
- Digit 12,001 = 3
- γ — Euler-Mascheroni (γ)
- Digit 12,001 = 8
Also seen as
UTF-8 encoding: E2 BB A1 (3 bytes).
Code page 12001 is UTF-32 BE — Big-endian UTF-32.
Code pages are integer identifiers used by Windows and other systems to refer to specific character encodings.
As an unsigned 32-bit integer, this is the IPv4 address 0.0.46.225.
- Address
- 0.0.46.225
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.46.225
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 12,001 Hz is closest to:
- Concert pitch (A4 = 440 Hz): F♯9 (11839.8 Hz, +23¢)
- Scientific pitch (C4 = 256 Hz): G9 (12274.1 Hz, -39¢)
- Baroque pitch (A4 = 415 Hz): G9 (11831.1 Hz, +25¢)
The digit sequence 12001 first appears in π at position 111,510 of the decimal expansion (the 111,510ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.