131,613
131,613 is a composite number, odd.
131,613 (one hundred thirty-one thousand six hundred thirteen) is an odd 6-digit number. It is a composite number with 8 divisors, and factors as 3 × 19 × 2,309. Written other ways, in hexadecimal, 0x2021D.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 54
- Digital root
- 6
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 316,131
- Recamán's sequence
- a(229,146) = 131,613
- Square (n²)
- 17,321,981,769
- Cube (n³)
- 2,279,797,986,563,397
- Divisor count
- 8
- σ(n) — sum of divisors
- 184,800
- φ(n) — Euler's totient
- 83,088
- Sum of prime factors
- 2,331
Primality
Prime factorization: 3 × 19 × 2309
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,613 = [362; (1, 3, 1, 1, 1, 7, 6, 3, 2, 4, 5, 3, 1, 2, 4, 1, 2, 2, 7, 1, 2, 1, 2, 12, …)]
Period length 48 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand six hundred thirteen
- Ordinal
- 131613th
- Binary
- 100000001000011101
- Octal
- 401035
- Hexadecimal
- 0x2021D
- Base64
- AgId
- One's complement
- 4,294,835,682 (32-bit)
- Scientific notation
- 1.31613 × 10⁵
- As a duration
- 131,613 s = 1 day, 12 hours, 33 minutes, 33 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαχιγʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋠·𝋭
- Chinese
- 一十三萬一千六百一十三
- Chinese (financial)
- 壹拾參萬壹仟陸佰壹拾參
Also seen as
UTF-8 encoding: F0 A0 88 9D (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.29.
- Address
- 0.2.2.29
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.29
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 131,613 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.