472,921
472,921 is a prime, odd.
472,921 (four hundred seventy-two thousand nine hundred twenty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x73759.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 1,008
- Digital root
- 7
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 129,274
- Square (n²)
- 223,654,272,241
- Cube (n³)
- 105,770,802,082,485,961
- Divisor count
- 2
- σ(n) — sum of divisors
- 472,922
- φ(n) — Euler's totient
- 472,920
Primality
472,921 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√472,921 = [687; (1, 2, 3, 1, 27, 3, 2, 1, 64, 1, 3, 1, 7, 65, 2, 1, 2, 1, 2, 2, 1, 3, 28, 1, …)]
Representations
- In words
- four hundred seventy-two thousand nine hundred twenty-one
- Ordinal
- 472921st
- Binary
- 1110011011101011001
- Octal
- 1633531
- Hexadecimal
- 0x73759
- Base64
- BzdZ
- One's complement
- 4,294,494,374 (32-bit)
- Scientific notation
- 4.72921 × 10⁵
- As a duration
- 472,921 s = 5 days, 11 hours, 22 minutes, 1 second
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹 𒌋𒌋𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵υοβϡκαʹ
- Chinese
- 四十七萬二千九百二十一
- Chinese (financial)
- 肆拾柒萬貳仟玖佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.55.89.
- Address
- 0.7.55.89
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.55.89
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 472,921 and was likely granted around 1891.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.