490,421
490,421 is a prime, odd.
490,421 (four hundred ninety 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, 0x77BB5.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 124,094
- Square (n²)
- 240,512,757,241
- Cube (n³)
- 117,952,506,918,888,461
- Divisor count
- 2
- σ(n) — sum of divisors
- 490,422
- φ(n) — Euler's totient
- 490,420
Primality
490,421 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√490,421 = [700; (3, 3, 15, 10, 1, 26, 39, 1, 49, 21, 1, 1, 8, 1, 1, 9, 1, 2, 3, 1, 1, 69, 2, 6, …)]
Representations
- In words
- four hundred ninety thousand four hundred twenty-one
- Ordinal
- 490421st
- Binary
- 1110111101110110101
- Octal
- 1675665
- Hexadecimal
- 0x77BB5
- Base64
- B3u1
- One's complement
- 4,294,476,874 (32-bit)
- Scientific notation
- 4.90421 × 10⁵
- As a duration
- 490,421 s = 5 days, 16 hours, 13 minutes, 41 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵υϟυκαʹ
- Chinese
- 四十九萬零四百二十一
- Chinese (financial)
- 肆拾玖萬零肆佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.123.181.
- Address
- 0.7.123.181
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.123.181
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 490,421 and was likely granted around 1892.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
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.