131,355
131,355 is a composite number, odd.
131,355 (one hundred thirty-one thousand three hundred fifty-five) is an odd 6-digit number. It is a composite number with 32 divisors, and factors as 3³ × 5 × 7 × 139. Its proper divisors sum to 137,445, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2011B.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 225
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 553,131
- Square (n²)
- 17,254,136,025
- Cube (n³)
- 2,266,417,037,563,875
- Divisor count
- 32
- σ(n) — sum of divisors
- 268,800
- φ(n) — Euler's totient
- 59,616
- Sum of prime factors
- 160
Primality
Prime factorization: 3 3 × 5 × 7 × 139
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,355 = [362; (2, 3, 27, 1, 1, 2, 5, 1, 2, 3, 1, 14, 1, 79, 1, 1, 1, 1, 11, 1, 2, 5, 1, 1, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand three hundred fifty-five
- Ordinal
- 131355th
- Binary
- 100000000100011011
- Octal
- 400433
- Hexadecimal
- 0x2011B
- Base64
- AgEb
- One's complement
- 4,294,835,940 (32-bit)
- Scientific notation
- 1.31355 × 10⁵
- As a duration
- 131,355 s = 1 day, 12 hours, 29 minutes, 15 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλατνεʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋧·𝋯
- Chinese
- 一十三萬一千三百五十五
- Chinese (financial)
- 壹拾參萬壹仟參佰伍拾伍
Also seen as
UTF-8 encoding: F0 A0 84 9B (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.27.
- Address
- 0.2.1.27
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.27
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 131,355 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 131355 first appears in π at position 655,675 of the decimal expansion (the 655,675ordinal-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°.