131,600
131,600 is a composite number, even.
131,600 (one hundred thirty-one thousand six hundred) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 5² × 7 × 47. Its proper divisors sum to 237,424, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x20210.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 6,131
- Recamán's sequence
- a(229,172) = 131,600
- Square (n²)
- 17,318,560,000
- Cube (n³)
- 2,279,122,496,000,000
- Divisor count
- 60
- σ(n) — sum of divisors
- 369,024
- φ(n) — Euler's totient
- 44,160
- Sum of prime factors
- 72
Primality
Prime factorization: 2 4 × 5 2 × 7 × 47
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,600 = [362; (1, 3, 3, 2, 1, 1, 8, 1, 22, 1, 1, 28, 1, 1, 22, 1, 8, 1, 1, 2, 3, 3, 1, 724)]
Period length 24 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand six hundred
- Ordinal
- 131600th
- Binary
- 100000001000010000
- Octal
- 401020
- Hexadecimal
- 0x20210
- Base64
- AgIQ
- One's complement
- 4,294,835,695 (32-bit)
- Scientific notation
- 1.316 × 10⁵
- As a duration
- 131,600 s = 1 day, 12 hours, 33 minutes, 20 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρλαχʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋠·𝋠
- Chinese
- 一十三萬一千六百
- Chinese (financial)
- 壹拾參萬壹仟陸佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131600, here are decompositions:
- 19 + 131581 = 131600
- 103 + 131497 = 131600
- 151 + 131449 = 131600
- 163 + 131437 = 131600
- 229 + 131371 = 131600
- 283 + 131317 = 131600
- 307 + 131293 = 131600
- 349 + 131251 = 131600
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 88 90 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.2.16.
- Address
- 0.2.2.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.2.16
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 131,600 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 131600 first appears in π at position 625,517 of the decimal expansion (the 625,517ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.