131,705
131,705 is a composite number, odd.
131,705 (one hundred thirty-one thousand seven hundred five) is an odd 6-digit number. It is a composite number with 16 divisors, and factors as 5 × 7 × 53 × 71. Written other ways, in hexadecimal, 0x20279.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 507,131
- Recamán's sequence
- a(228,962) = 131,705
- Square (n²)
- 17,346,207,025
- Cube (n³)
- 2,284,582,196,227,625
- Divisor count
- 16
- σ(n) — sum of divisors
- 186,624
- φ(n) — Euler's totient
- 87,360
- Sum of prime factors
- 136
Primality
Prime factorization: 5 × 7 × 53 × 71
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,705 = [362; (1, 10, 2, 1, 11, 1, 1, 1, 2, 24, 1, 1, 1, 6, 1, 44, 2, 44, 1, 6, 1, 1, 1, 24, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand seven hundred five
- Ordinal
- 131705th
- Binary
- 100000001001111001
- Octal
- 401171
- Hexadecimal
- 0x20279
- Base64
- AgJ5
- One's complement
- 4,294,835,590 (32-bit)
- Scientific notation
- 1.31705 × 10⁵
- As a duration
- 131,705 s = 1 day, 12 hours, 35 minutes, 5 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαψεʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋥·𝋥
- Chinese
- 一十三萬一千七百零五
- Chinese (financial)
- 壹拾參萬壹仟柒佰零伍
Also seen as
UTF-8 encoding: F0 A0 89 B9 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.121.
- Address
- 0.2.2.121
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.121
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 131,705 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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.