8,422
8,422 is a composite number, even.
8,422 (eight thousand four hundred twenty-two) is an even 4-digit number. It is a composite number with 4 divisors, and factors as 2 × 4,211. Written other ways, in hexadecimal, 0x20E6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 4
- Digit sum
- 16
- Digit product
- 128
- Digital root
- 7
- Palindrome
- No
- Bit width
- 14 bits
- Reversed
- 2,248
- Recamán's sequence
- a(2,887) = 8,422
- Square (n²)
- 70,930,084
- Cube (n³)
- 597,373,167,448
- Divisor count
- 4
- σ(n) — sum of divisors
- 12,636
- φ(n) — Euler's totient
- 4,210
- Sum of prime factors
- 4,213
Primality
Prime factorization: 2 × 4211
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√8,422 = [91; (1, 3, 2, 1, 1, 1, 29, 1, 25, 3, 1, 19, 1, 1, 1, 3, 1, 2, 2, 3, 3, 9, 2, 1, …)]
Representations
- In words
- eight thousand four hundred twenty-two
- Ordinal
- 8422nd
- Binary
- 10000011100110
- Octal
- 20346
- Hexadecimal
- 0x20E6
- Base64
- IOY=
- One's complement
- 57,113 (16-bit)
- Scientific notation
- 8.422 × 10³
- As a duration
- 8,422 s = 2 hours, 20 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒌋 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ηυκβʹ
- Mayan (base 20)
- 𝋡·𝋡·𝋡·𝋢
- Chinese
- 八千四百二十二
- Chinese (financial)
- 捌仟肆佰貳拾貳
Digit at this position in famous constants
- π — Pi (π)
- Digit 8,422 = 7
- e — Euler's number (e)
- Digit 8,422 = 6
- φ — Golden ratio (φ)
- Digit 8,422 = 1
- √2 — Pythagoras's (√2)
- Digit 8,422 = 4
- ln 2 — Natural log of 2
- Digit 8,422 = 7
- γ — Euler-Mascheroni (γ)
- Digit 8,422 = 2
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 8422, here are decompositions:
- 3 + 8419 = 8422
- 53 + 8369 = 8422
- 59 + 8363 = 8422
- 131 + 8291 = 8422
- 149 + 8273 = 8422
- 179 + 8243 = 8422
- 191 + 8231 = 8422
- 251 + 8171 = 8422
Showing the first eight; more decompositions exist.
UTF-8 encoding: E2 83 A6 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.32.230.
- Address
- 0.0.32.230
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.32.230
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 8,422 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C9 (8372 Hz, +10¢)
- Scientific pitch (C4 = 256 Hz): C9 (8192 Hz, +48¢ — about midway to C♯9)
- Baroque pitch (A4 = 415 Hz): C♯9 (8365.9 Hz, +12¢)
The digit sequence 8422 first appears in π at position 43,490 of the decimal expansion (the 43,490ordinal-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.