131,320
131,320 is a composite number, even.
131,320 (one hundred thirty-one thousand three hundred twenty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2³ × 5 × 7² × 67. Its proper divisors sum to 217,520, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x200F8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 10
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 23,131
- Recamán's sequence
- a(24,395) = 131,320
- Square (n²)
- 17,244,942,400
- Cube (n³)
- 2,264,605,835,968,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 348,840
- φ(n) — Euler's totient
- 44,352
- Sum of prime factors
- 92
Primality
Prime factorization: 2 3 × 5 × 7 2 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,320 = [362; (2, 1, 1, 1, 1, 1, 35, 1, 1, 1, 1, 1, 2, 724)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand three hundred twenty
- Ordinal
- 131320th
- Binary
- 100000000011111000
- Octal
- 400370
- Hexadecimal
- 0x200F8
- Base64
- AgD4
- One's complement
- 4,294,835,975 (32-bit)
- Scientific notation
- 1.3132 × 10⁵
- As a duration
- 131,320 s = 1 day, 12 hours, 28 minutes, 40 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρλατκʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋦·𝋠
- Chinese
- 一十三萬一千三百二十
- Chinese (financial)
- 壹拾參萬壹仟參佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131320, here are decompositions:
- 3 + 131317 = 131320
- 17 + 131303 = 131320
- 23 + 131297 = 131320
- 53 + 131267 = 131320
- 71 + 131249 = 131320
- 89 + 131231 = 131320
- 107 + 131213 = 131320
- 149 + 131171 = 131320
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 83 B8 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.0.248.
- Address
- 0.2.0.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.0.248
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 131,320 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.