131,040
131,040 is a composite number, even.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 40,131
- Square (n²)
- 17,171,481,600
- Cube (n³)
- 2,250,150,948,864,000
- Divisor count
- 144
- σ(n) — sum of divisors
- 550,368
- φ(n) — Euler's totient
- 27,648
- Sum of prime factors
- 41
Primality
Prime factorization: 2 5 × 3 2 × 5 × 7 × 13
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,040 = [361; (1, 179, 1, 722)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand forty
- Ordinal
- 131040th
- Binary
- 11111111111100000
- Octal
- 377740
- Hexadecimal
- 0x1FFE0
- Base64
- Af/g
- One's complement
- 4,294,836,255 (32-bit)
- Scientific notation
- 1.3104 × 10⁵
- As a duration
- 131,040 s = 1 day, 12 hours, 24 minutes
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 ·
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλαμʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋬·𝋠
- Chinese
- 一十三萬一千零四十
- Chinese (financial)
- 壹拾參萬壹仟零肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131040, here are decompositions:
- 17 + 131023 = 131040
- 29 + 131011 = 131040
- 31 + 131009 = 131040
- 53 + 130987 = 131040
- 59 + 130981 = 131040
- 67 + 130973 = 131040
- 71 + 130969 = 131040
- 83 + 130957 = 131040
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.255.224.
- Address
- 0.1.255.224
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.255.224
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 131,040 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.