12,442
12,442 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 13
- Digit product
- 64
- Digital root
- 4
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 24,421
- Recamán's sequence
- a(21,900) = 12,442
- Square (n²)
- 154,803,364
- Cube (n³)
- 1,926,063,454,888
- Divisor count
- 4
- σ(n) — sum of divisors
- 18,666
- φ(n) — Euler's totient
- 6,220
- Sum of prime factors
- 6,223
Primality
Prime factorization: 2 × 6221
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- twelve thousand four hundred forty-two
- Ordinal
- 12442nd
- Binary
- 11000010011010
- Octal
- 30232
- Hexadecimal
- 0x309A
- Base64
- MJo=
- One's complement
- 53,093 (16-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ιβυμβʹ
- Mayan (base 20)
- 𝋡·𝋫·𝋢·𝋢
- Chinese
- 一萬二千四百四十二
- Chinese (financial)
- 壹萬貳仟肆佰肆拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 12,442 = 0
- e — Euler's number (e)
- Digit 12,442 = 7
- φ — Golden ratio (φ)
- Digit 12,442 = 4
- √2 — Pythagoras's (√2)
- Digit 12,442 = 7
- ln 2 — Natural log of 2
- Digit 12,442 = 5
- γ — Euler-Mascheroni (γ)
- Digit 12,442 = 3
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 12442, here are decompositions:
- 5 + 12437 = 12442
- 29 + 12413 = 12442
- 41 + 12401 = 12442
- 113 + 12329 = 12442
- 173 + 12269 = 12442
- 179 + 12263 = 12442
- 191 + 12251 = 12442
- 239 + 12203 = 12442
Showing the first eight; more decompositions exist.
UTF-8 encoding: E3 82 9A (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.48.154.
- Address
- 0.0.48.154
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.48.154
Unspecified address (0.0.0.0/8) — "this network" placeholder.
The digit sequence 12442 first appears in π at position 117,835 of the decimal expansion (the 117,835ordinal-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.