131,672
131,672 is a composite number, even.
131,672 (one hundred thirty-one thousand six hundred seventy-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 109 × 151. Written other ways, in hexadecimal, 0x20258.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 252
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 276,131
- Recamán's sequence
- a(229,028) = 131,672
- Square (n²)
- 17,337,515,584
- Cube (n³)
- 2,282,865,351,976,448
- Divisor count
- 16
- σ(n) — sum of divisors
- 250,800
- φ(n) — Euler's totient
- 64,800
- Sum of prime factors
- 266
Primality
Prime factorization: 2 3 × 109 × 151
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,672 = [362; (1, 6, 2, 14, 2, 1, 9, 1, 1, 4, 1, 3, 2, 2, 103, 3, 1, 3, 103, 2, 2, 3, 1, 4, …)]
Period length 34 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand six hundred seventy-two
- Ordinal
- 131672nd
- Binary
- 100000001001011000
- Octal
- 401130
- Hexadecimal
- 0x20258
- Base64
- AgJY
- One's complement
- 4,294,835,623 (32-bit)
- Scientific notation
- 1.31672 × 10⁵
- As a duration
- 131,672 s = 1 day, 12 hours, 34 minutes, 32 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρλαχοβʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋣·𝋬
- Chinese
- 一十三萬一千六百七十二
- Chinese (financial)
- 壹拾參萬壹仟陸佰柒拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131672, here are decompositions:
- 31 + 131641 = 131672
- 61 + 131611 = 131672
- 193 + 131479 = 131672
- 223 + 131449 = 131672
- 241 + 131431 = 131672
- 379 + 131293 = 131672
- 421 + 131251 = 131672
- 523 + 131149 = 131672
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 89 98 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.88.
- Address
- 0.2.2.88
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.88
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 131,672 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.