131,475
131,475 is a composite number, odd.
131,475 (one hundred thirty-one thousand four hundred seventy-five) is an odd 6-digit number. It is a composite number with 12 divisors, and factors as 3 × 5² × 1,753. Written other ways, in hexadecimal, 0x20193.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 21
- Digit product
- 420
- Digital root
- 3
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 574,131
- Recamán's sequence
- a(229,422) = 131,475
- Square (n²)
- 17,285,675,625
- Cube (n³)
- 2,272,634,202,796,875
- Divisor count
- 12
- σ(n) — sum of divisors
- 217,496
- φ(n) — Euler's totient
- 70,080
- Sum of prime factors
- 1,766
Primality
Prime factorization: 3 × 5 2 × 1753
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,475 = [362; (1, 1, 2, 7, 3, 5, 1, 2, 14, 6, 1, 1, 2, 2, 65, 1, 1, 28, 1, 1, 65, 2, 2, 1, …)]
Period length 36 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand four hundred seventy-five
- Ordinal
- 131475th
- Binary
- 100000000110010011
- Octal
- 400623
- Hexadecimal
- 0x20193
- Base64
- AgGT
- One's complement
- 4,294,835,820 (32-bit)
- Scientific notation
- 1.31475 × 10⁵
- As a duration
- 131,475 s = 1 day, 12 hours, 31 minutes, 15 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυοεʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋭·𝋯
- Chinese
- 一十三萬一千四百七十五
- Chinese (financial)
- 壹拾參萬壹仟肆佰柒拾伍
Also seen as
UTF-8 encoding: F0 A0 86 93 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.147.
- Address
- 0.2.1.147
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.147
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 131,475 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 131475 first appears in π at position 788,676 of the decimal expansion (the 788,676ordinal-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°.