491,421
491,421 is a composite number, odd.
491,421 (four hundred ninety-one thousand four hundred twenty-one) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3 × 7² × 3,343. Written other ways, in hexadecimal, 0x77F9D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 288
- Digital root
- 3
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 124,194
- Square (n²)
- 241,494,599,241
- Cube (n³)
- 118,675,517,453,611,461
- Divisor count
- 12
- σ(n) — sum of divisors
- 762,432
- φ(n) — Euler's totient
- 280,728
- Sum of prime factors
- 3,360
Primality
Prime factorization: 3 × 7 2 × 3343
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√491,421 = [701; (70, 9, 1, 13, 8, 3, 10, 1, 8, 1, 1, 1, 2, 16, 8, 2, 20, 6, 1, 3, 1, 3, 3, 28, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- four hundred ninety-one thousand four hundred twenty-one
- Ordinal
- 491421st
- Binary
- 1110111111110011101
- Octal
- 1677635
- Hexadecimal
- 0x77F9D
- Base64
- B3+d
- One's complement
- 4,294,475,874 (32-bit)
- Scientific notation
- 4.91421 × 10⁵
- As a duration
- 491,421 s = 5 days, 16 hours, 30 minutes, 21 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺
- Greek (Milesian)
- ͵υϟαυκαʹ
- Chinese
- 四十九萬一千四百二十一
- Chinese (financial)
- 肆拾玖萬壹仟肆佰貳拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.127.157.
- Address
- 0.7.127.157
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.127.157
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 491,421 and was likely granted around 1893.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.