131,522
131,522 is a composite number, even.
131,522 (one hundred thirty-one thousand five hundred twenty-two) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 65,761. Written other ways, in hexadecimal, 0x201C2.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 60
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 225,131
- Recamán's sequence
- a(229,328) = 131,522
- Square (n²)
- 17,298,036,484
- Cube (n³)
- 2,275,072,354,448,648
- Divisor count
- 4
- σ(n) — sum of divisors
- 197,286
- φ(n) — Euler's totient
- 65,760
- Sum of prime factors
- 65,763
Primality
Prime factorization: 2 × 65761
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,522 = [362; (1, 1, 1, 15, 9, 1, 6, 1, 4, 2, 2, 1, 1, 1, 14, 1, 4, 31, 3, 362, 3, 31, 4, 1, …)]
Period length 40 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand five hundred twenty-two
- Ordinal
- 131522nd
- Binary
- 100000000111000010
- Octal
- 400702
- Hexadecimal
- 0x201C2
- Base64
- AgHC
- One's complement
- 4,294,835,773 (32-bit)
- Scientific notation
- 1.31522 × 10⁵
- As a duration
- 131,522 s = 1 day, 12 hours, 32 minutes, 2 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλαφκβʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋰·𝋢
- Chinese
- 一十三萬一千五百二十二
- Chinese (financial)
- 壹拾參萬壹仟伍佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131522, here are decompositions:
- 3 + 131519 = 131522
- 43 + 131479 = 131522
- 73 + 131449 = 131522
- 109 + 131413 = 131522
- 151 + 131371 = 131522
- 211 + 131311 = 131522
- 229 + 131293 = 131522
- 271 + 131251 = 131522
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 87 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.194.
- Address
- 0.2.1.194
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.194
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 131,522 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.