478,421
478,421 is a prime, odd.
478,421 (four hundred seventy-eight thousand four 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, 0x74CD5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,792
- Digital root
- 8
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 124,874
- Square (n²)
- 228,886,653,241
- Cube (n³)
- 109,504,181,530,212,461
- Divisor count
- 2
- σ(n) — sum of divisors
- 478,422
- φ(n) — Euler's totient
- 478,420
Primality
478,421 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√478,421 = [691; (1, 2, 8, 9, 1, 4, 1, 24, 3, 9, 55, 4, 2, 2, 25, 1, 2, 4, 24, 1, 11, 1, 2, 1, …)]
Representations
- In words
- four hundred seventy-eight thousand four hundred twenty-one
- Ordinal
- 478421st
- Binary
- 1110100110011010101
- Octal
- 1646325
- Hexadecimal
- 0x74CD5
- Base64
- B0zV
- One's complement
- 4,294,488,874 (32-bit)
- Scientific notation
- 4.78421 × 10⁵
- As a duration
- 478,421 s = 5 days, 12 hours, 53 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵υοηυκαʹ
- Chinese
- 四十七萬八千四百二十一
- Chinese (financial)
- 肆拾柒萬捌仟肆佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.76.213.
- Address
- 0.7.76.213
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.76.213
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 478,421 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 478421 first appears in π at position 63,004 of the decimal expansion (the 63,004ordinal-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
- 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.