4,321
4,321 is a composite number, odd.
4,321 (four thousand three hundred twenty-one) is an odd 4-digit number. It is a composite number with 4 divisors, and factors as 29 × 149. Written other ways, in hexadecimal, 0x10E1.
Interestingness
Properties
Primality
Prime factorization: 29 × 149
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√4,321 = [65; (1, 2, 1, 3, 4, 3, 1, 2, 1, 130)]
Period length 10 — the block in parentheses repeats forever.
Representations
- In words
- four thousand three hundred twenty-one
- Ordinal
- 4321st
- Binary
- 1000011100001
- Octal
- 10341
- Hexadecimal
- 0x10E1
- Base64
- EOE=
- One's complement
- 61,214 (16-bit)
- Scientific notation
- 4.321 × 10³
- As a duration
- 4,321 s = 1 hour, 12 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹 𒌋𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵δτκαʹ
- Mayan (base 20)
- 𝋪·𝋰·𝋡
- Chinese
- 四千三百二十一
- Chinese (financial)
- 肆仟參佰貳拾壹
Digit at this position in famous constants
- π — Pi (π)
- Digit 4,321 = 5
- e — Euler's number (e)
- Digit 4,321 = 1
- φ — Golden ratio (φ)
- Digit 4,321 = 8
- √2 — Pythagoras's (√2)
- Digit 4,321 = 2
- ln 2 — Natural log of 2
- Digit 4,321 = 8
- γ — Euler-Mascheroni (γ)
- Digit 4,321 = 6
Also seen as
UTF-8 encoding: E1 83 A1 (3 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.0.16.225.
- Address
- 0.0.16.225
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.0.16.225
Unspecified address (0.0.0.0/8) — "this network" placeholder.
Heard as a frequency, 4,321 Hz is closest to:
- Concert pitch (A4 = 440 Hz): C♯8 (4434.9 Hz, -45¢ — about midway to C8)
- Scientific pitch (C4 = 256 Hz): C♯8 (4339.6 Hz, -7¢)
- Baroque pitch (A4 = 415 Hz): D8 (4431.7 Hz, -44¢)
The digit sequence 4321 first appears in π at position 23,052 of the decimal expansion (the 23,052ordinal-suffix:nd 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.