131,120
131,120 is a composite number, even.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 21,131
- Square (n²)
- 17,192,454,400
- Cube (n³)
- 2,254,274,620,928,000
- Divisor count
- 40
- σ(n) — sum of divisors
- 334,800
- φ(n) — Euler's totient
- 47,360
- Sum of prime factors
- 173
Primality
Prime factorization: 2 4 × 5 × 11 × 149
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,120 = [362; (9, 1, 1, 8, 1, 1, 9, 724)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand one hundred twenty
- Ordinal
- 131120th
- Binary
- 100000000000110000
- Octal
- 400060
- Hexadecimal
- 0x20030
- Base64
- AgAw
- One's complement
- 4,294,836,175 (32-bit)
- Scientific notation
- 1.3112 × 10⁵
- As a duration
- 131,120 s = 1 day, 12 hours, 25 minutes, 20 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρλαρκʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋰·𝋠
- Chinese
- 一十三萬一千一百二十
- Chinese (financial)
- 壹拾參萬壹仟壹佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131120, here are decompositions:
- 7 + 131113 = 131120
- 19 + 131101 = 131120
- 61 + 131059 = 131120
- 79 + 131041 = 131120
- 97 + 131023 = 131120
- 109 + 131011 = 131120
- 139 + 130981 = 131120
- 151 + 130969 = 131120
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 80 B0 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.48.
- Address
- 0.2.0.48
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.0.48
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 131,120 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 131120 first appears in π at position 301,386 of the decimal expansion (the 301,386ordinal-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.