131,425
131,425 is a composite number, odd.
131,425 (one hundred thirty-one thousand four hundred twenty-five) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 5² × 7 × 751. Written other ways, in hexadecimal, 0x20161.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 120
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 524,131
- Recamán's sequence
- a(229,522) = 131,425
- Square (n²)
- 17,272,530,625
- Cube (n³)
- 2,270,042,337,390,625
- Divisor count
- 12
- σ(n) — sum of divisors
- 186,496
- φ(n) — Euler's totient
- 90,000
- Sum of prime factors
- 768
Primality
Prime factorization: 5 2 × 7 × 751
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,425 = [362; (1, 1, 9, 5, 1, 79, 1, 2, 1, 1, 1, 3, 6, 3, 1, 8, 5, 4, 1, 1, 1, 1, 5, 1, …)]
Representations
- In words
- one hundred thirty-one thousand four hundred twenty-five
- Ordinal
- 131425th
- Binary
- 100000000101100001
- Octal
- 400541
- Hexadecimal
- 0x20161
- Base64
- AgFh
- One's complement
- 4,294,835,870 (32-bit)
- Scientific notation
- 1.31425 × 10⁵
- As a duration
- 131,425 s = 1 day, 12 hours, 30 minutes, 25 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυκεʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋫·𝋥
- Chinese
- 一十三萬一千四百二十五
- Chinese (financial)
- 壹拾參萬壹仟肆佰貳拾伍
Also seen as
UTF-8 encoding: F0 A0 85 A1 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.97.
- Address
- 0.2.1.97
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.97
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 131,425 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 131425 first appears in π at position 8,920 of the decimal expansion (the 8,920ordinal-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.
Related reading
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.