131,338
131,338 is a composite number, even.
131,338 (one hundred thirty-one thousand three hundred thirty-eight) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 97 × 677. Written other ways, in hexadecimal, 0x2010A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 216
- Digital root
- 1
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 833,131
- Square (n²)
- 17,249,670,244
- Cube (n³)
- 2,265,537,190,506,472
- Divisor count
- 8
- σ(n) — sum of divisors
- 199,332
- φ(n) — Euler's totient
- 64,896
- Sum of prime factors
- 776
Primality
Prime factorization: 2 × 97 × 677
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,338 = [362; (2, 2, 6, 2, 3, 1, 1, 12, 1, 6, 9, 32, 1, 5, 8, 3, 1, 5, 5, 2, 4, 21, 1, 2, …)]
Representations
- In words
- one hundred thirty-one thousand three hundred thirty-eight
- Ordinal
- 131338th
- Binary
- 100000000100001010
- Octal
- 400412
- Hexadecimal
- 0x2010A
- Base64
- AgEK
- One's complement
- 4,294,835,957 (32-bit)
- Scientific notation
- 1.31338 × 10⁵
- As a duration
- 131,338 s = 1 day, 12 hours, 28 minutes, 58 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλατληʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋦·𝋲
- Chinese
- 一十三萬一千三百三十八
- Chinese (financial)
- 壹拾參萬壹仟參佰參拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131338, here are decompositions:
- 17 + 131321 = 131338
- 41 + 131297 = 131338
- 71 + 131267 = 131338
- 89 + 131249 = 131338
- 107 + 131231 = 131338
- 167 + 131171 = 131338
- 227 + 131111 = 131338
- 479 + 130859 = 131338
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 84 8A (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.10.
- Address
- 0.2.1.10
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.10
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 131,338 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 131338 first appears in π at position 83,133 of the decimal expansion (the 83,133ordinal-suffix:rd 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.