82,442
82,442 is a composite number, even.
Properties
- Parity
- Even
- Digit count
- 5
- Digit sum
- 20
- Digit product
- 512
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 24,428
- Recamán's sequence
- a(270,164) = 82,442
- Square (n²)
- 6,796,683,364
- Cube (n³)
- 560,332,169,894,888
- Divisor count
- 4
- σ(n) — sum of divisors
- 123,666
- φ(n) — Euler's totient
- 41,220
- Sum of prime factors
- 41,223
Primality
Prime factorization: 2 × 41221
Divisors & multiples
Sums & aliquot sequence
Representations
- In words
- eighty-two thousand four hundred forty-two
- Ordinal
- 82442nd
- Binary
- 10100001000001010
- Octal
- 241012
- Hexadecimal
- 0x1420A
- Base64
- AUIK
- One's complement
- 4,294,884,853 (32-bit)
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵πβυμβʹ
- Mayan (base 20)
- 𝋪·𝋦·𝋢·𝋢
- Chinese
- 八萬二千四百四十二
- Chinese (financial)
- 捌萬貳仟肆佰肆拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 82,442 = 4
- e — Euler's number (e)
- Digit 82,442 = 7
- φ — Golden ratio (φ)
- Digit 82,442 = 4
- √2 — Pythagoras's (√2)
- Digit 82,442 = 1
- ln 2 — Natural log of 2
- Digit 82,442 = 7
- γ — Euler-Mascheroni (γ)
- Digit 82,442 = 3
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 82442, here are decompositions:
- 103 + 82339 = 82442
- 163 + 82279 = 82442
- 181 + 82261 = 82442
- 211 + 82231 = 82442
- 223 + 82219 = 82442
- 271 + 82171 = 82442
- 313 + 82129 = 82442
- 421 + 82021 = 82442
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 94 88 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.66.10.
- Address
- 0.1.66.10
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.66.10
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This passes the ABA routing number checksum and matches the Federal Reserve numbering scheme.
Banks operate many routing numbers per state and division; an unmatched checksum-valid number can still be a real RTN at a smaller institution.
The digit sequence 82442 first appears in π at position 284,012 of the decimal expansion (the 284,012ordinal-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.