131,125
131,125 is a composite number, odd.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 30
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 521,131
- Square (n²)
- 17,193,765,625
- Cube (n³)
- 2,254,532,517,578,125
- Divisor count
- 8
- σ(n) — sum of divisors
- 163,800
- φ(n) — Euler's totient
- 104,800
- Sum of prime factors
- 1,064
Primality
Prime factorization: 5 3 × 1049
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,125 = [362; (8, 1, 15, 1, 1, 3, 28, 1, 2, 5, 1, 9, 1, 1, 1, 7, 1, 28, 11, 1, 5, 5, 1, 11, …)]
Period length 43 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand one hundred twenty-five
- Ordinal
- 131125th
- Binary
- 100000000000110101
- Octal
- 400065
- Hexadecimal
- 0x20035
- Base64
- AgA1
- One's complement
- 4,294,836,170 (32-bit)
- Scientific notation
- 1.31125 × 10⁵
- As a duration
- 131,125 s = 1 day, 12 hours, 25 minutes, 25 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαρκεʹ
- Mayan (base 20)
- 𝋰·𝋧·𝋰·𝋥
- Chinese
- 一十三萬一千一百二十五
- Chinese (financial)
- 壹拾參萬壹仟壹佰貳拾伍
Also seen as
UTF-8 encoding: F0 A0 80 B5 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.53.
- Address
- 0.2.0.53
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.0.53
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 131,125 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 131125 first appears in π at position 821,590 of the decimal expansion (the 821,590ordinal-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.