472,139
472,139 is a prime, odd.
472,139 (four hundred seventy-two thousand one hundred thirty-nine) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x7344B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 26
- Digit product
- 1,512
- Digital root
- 8
- Palindrome
- No
- Bit width
- 19 bits
- Reversed
- 931,274
- Square (n²)
- 222,915,235,321
- Cube (n³)
- 105,246,976,289,221,619
- Divisor count
- 2
- σ(n) — sum of divisors
- 472,140
- φ(n) — Euler's totient
- 472,138
Primality
472,139 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√472,139 = [687; (8, 12, 27, 2, 2, 15, 1, 3, 3, 1, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 8, 1, 1, 1, …)]
Representations
- In words
- four hundred seventy-two thousand one hundred thirty-nine
- Ordinal
- 472139th
- Binary
- 1110011010001001011
- Octal
- 1632113
- Hexadecimal
- 0x7344B
- Base64
- BzRL
- One's complement
- 4,294,495,156 (32-bit)
- Scientific notation
- 4.72139 × 10⁵
- As a duration
- 472,139 s = 5 days, 11 hours, 8 minutes, 59 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹 𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵υοβρλθʹ
- Chinese
- 四十七萬二千一百三十九
- Chinese (financial)
- 肆拾柒萬貳仟壹佰參拾玖
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.7.52.75.
- Address
- 0.7.52.75
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.7.52.75
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 472,139 and was likely granted around 1891.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 472139 first appears in π at position 26,835 of the decimal expansion (the 26,835ordinal-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.