130,439
130,439 is a prime, odd.
130,439 (one hundred thirty thousand four 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, 0x1FD87.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 934,031
- Square (n²)
- 17,014,332,721
- Cube (n³)
- 2,219,332,545,794,519
- Divisor count
- 2
- σ(n) — sum of divisors
- 130,440
- φ(n) — Euler's totient
- 130,438
Primality
130,439 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,439 = [361; (6, 8, 3, 55, 4, 9, 7, 1, 1, 2, 1, 3, 1, 1, 3, 1, 6, 1, 4, 1, 1, 1, 3, 1, …)]
Representations
- In words
- one hundred thirty thousand four hundred thirty-nine
- Ordinal
- 130439th
- Binary
- 11111110110000111
- Octal
- 376607
- Hexadecimal
- 0x1FD87
- Base64
- Af2H
- One's complement
- 4,294,836,856 (32-bit)
- Scientific notation
- 1.30439 × 10⁵
- As a duration
- 130,439 s = 1 day, 12 hours, 13 minutes, 59 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλυλθʹ
- Mayan (base 20)
- 𝋰·𝋦·𝋡·𝋳
- Chinese
- 一十三萬零四百三十九
- Chinese (financial)
- 壹拾參萬零肆佰參拾玖
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.253.135.
- Address
- 0.1.253.135
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.253.135
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 130,439 and was likely granted around 1872.
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.
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.