131,625
131,625 is a composite number, odd.
131,625 (one hundred thirty-one thousand six hundred twenty-five) is an odd 6-digit number. It is a composite number with 40 divisors, and factors as 3⁴ × 5³ × 13. Its proper divisors sum to 132,639, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20229.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 180
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 526,131
- Recamán's sequence
- a(229,122) = 131,625
- Square (n²)
- 17,325,140,625
- Cube (n³)
- 2,280,421,634,765,625
- Divisor count
- 40
- σ(n) — sum of divisors
- 264,264
- φ(n) — Euler's totient
- 64,800
- Sum of prime factors
- 40
Primality
Prime factorization: 3 4 × 5 3 × 13
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,625 = [362; (1, 4, 24, 1, 4, 1, 1, 2, 1, 2, 8, 1, 1, 2, 3, 1, 1, 1, 12, 3, 6, 1, 6, 8, …)]
Representations
- In words
- one hundred thirty-one thousand six hundred twenty-five
- Ordinal
- 131625th
- Binary
- 100000001000101001
- Octal
- 401051
- Hexadecimal
- 0x20229
- Base64
- AgIp
- One's complement
- 4,294,835,670 (32-bit)
- Scientific notation
- 1.31625 × 10⁵
- As a duration
- 131,625 s = 1 day, 12 hours, 33 minutes, 45 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαχκεʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋡·𝋥
- Chinese
- 一十三萬一千六百二十五
- Chinese (financial)
- 壹拾參萬壹仟陸佰貳拾伍
Also seen as
UTF-8 encoding: F0 A0 88 A9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.41.
- Address
- 0.2.2.41
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.41
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 131,625 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 131625 first appears in π at position 818,513 of the decimal expansion (the 818,513ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.