131,413
131,413 is a prime, odd.
131,413 (one hundred thirty-one thousand four hundred thirteen) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x20155.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 36
- Digital root
- 4
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 314,131
- Recamán's sequence
- a(229,546) = 131,413
- Square (n²)
- 17,269,376,569
- Cube (n³)
- 2,269,420,583,061,997
- Divisor count
- 2
- σ(n) — sum of divisors
- 131,414
- φ(n) — Euler's totient
- 131,412
Primality
131,413 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,413 = [362; (1, 1, 26, 2, 1, 5, 4, 2, 8, 5, 2, 2, 2, 11, 1, 6, 1, 7, 10, 1, 2, 3, 1, 2, …)]
Representations
- In words
- one hundred thirty-one thousand four hundred thirteen
- Ordinal
- 131413th
- Binary
- 100000000101010101
- Octal
- 400525
- Hexadecimal
- 0x20155
- Base64
- AgFV
- One's complement
- 4,294,835,882 (32-bit)
- Scientific notation
- 1.31413 × 10⁵
- As a duration
- 131,413 s = 1 day, 12 hours, 30 minutes, 13 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυιγʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋪·𝋭
- Chinese
- 一十三萬一千四百一十三
- Chinese (financial)
- 壹拾參萬壹仟肆佰壹拾參
Also seen as
UTF-8 encoding: F0 A0 85 95 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.85.
- Address
- 0.2.1.85
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.85
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 131,413 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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.