131,850
131,850 is a composite number, even.
131,850 (one hundred thirty-one thousand eight hundred fifty) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2 × 3² × 5² × 293. Its proper divisors sum to 223,596, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2030A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 58,131
- Recamán's sequence
- a(228,672) = 131,850
- Square (n²)
- 17,384,422,500
- Cube (n³)
- 2,292,136,106,625,000
- Divisor count
- 36
- σ(n) — sum of divisors
- 355,446
- φ(n) — Euler's totient
- 35,040
- Sum of prime factors
- 311
Primality
Prime factorization: 2 × 3 2 × 5 2 × 293
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,850 = [363; (8, 1, 27, 23, 2, 1, 1, 3, 1, 2, 3, 8, 1, 2, 80, 2, 1, 8, 3, 2, 1, 3, 1, 1, …)]
Period length 30 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand eight hundred fifty
- Ordinal
- 131850th
- Binary
- 100000001100001010
- Octal
- 401412
- Hexadecimal
- 0x2030A
- Base64
- AgMK
- One's complement
- 4,294,835,445 (32-bit)
- Scientific notation
- 1.3185 × 10⁵
- As a duration
- 131,850 s = 1 day, 12 hours, 37 minutes, 30 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλαωνʹ
- Mayan (base 20)
- 𝋰·𝋩·𝋬·𝋪
- Chinese
- 一十三萬一千八百五十
- Chinese (financial)
- 壹拾參萬壹仟捌佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131850, here are decompositions:
- 11 + 131839 = 131850
- 13 + 131837 = 131850
- 53 + 131797 = 131850
- 67 + 131783 = 131850
- 71 + 131779 = 131850
- 73 + 131777 = 131850
- 79 + 131771 = 131850
- 101 + 131749 = 131850
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 8C 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.3.10.
- Address
- 0.2.3.10
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.3.10
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 131,850 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 131850 first appears in π at position 301,080 of the decimal expansion (the 301,080ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.