130,561
130,561 is a composite number, odd.
130,561 (one hundred thirty thousand five hundred sixty-one) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 137 × 953. Written other ways, in hexadecimal, 0x1FE01.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 165,031
- Square (n²)
- 17,046,174,721
- Cube (n³)
- 2,225,565,617,748,481
- Divisor count
- 4
- σ(n) — sum of divisors
- 131,652
- φ(n) — Euler's totient
- 129,472
- Sum of prime factors
- 1,090
Primality
Prime factorization: 137 × 953
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√130,561 = [361; (3, 102, 1, 9, 2, 14, 3, 1, 2, 12, 1, 1, 5, 1, 1, 89, 1, 3, 1, 3, 1, 12, 8, 1, …)]
Representations
- In words
- one hundred thirty thousand five hundred sixty-one
- Ordinal
- 130561st
- Binary
- 11111111000000001
- Octal
- 377001
- Hexadecimal
- 0x1FE01
- Base64
- Af4B
- One's complement
- 4,294,836,734 (32-bit)
- Scientific notation
- 1.30561 × 10⁵
- As a duration
- 130,561 s = 1 day, 12 hours, 16 minutes, 1 second
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρλφξαʹ
- Mayan (base 20)
- 𝋰·𝋦·𝋨·𝋡
- Chinese
- 一十三萬零五百六十一
- Chinese (financial)
- 壹拾參萬零伍佰陸拾壹
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.254.1.
- Address
- 0.1.254.1
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.254.1
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 130,561 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.