131,330
131,330 is a composite number, even.
131,330 (one hundred thirty-one thousand three hundred thirty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 23 × 571. Written other ways, in hexadecimal, 0x20102.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 11
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 33,131
- Square (n²)
- 17,247,568,900
- Cube (n³)
- 2,265,123,223,637,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 247,104
- φ(n) — Euler's totient
- 50,160
- Sum of prime factors
- 601
Primality
Prime factorization: 2 × 5 × 23 × 571
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,330 = [362; (2, 1, 1, 7, 9, 23, 3, 1, 2, 3, 1, 12, 2, 2, 5, 5, 1, 4, 7, 1, 14, 1, 7, 4, …)]
Period length 42 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand three hundred thirty
- Ordinal
- 131330th
- Binary
- 100000000100000010
- Octal
- 400402
- Hexadecimal
- 0x20102
- Base64
- AgEC
- One's complement
- 4,294,835,965 (32-bit)
- Scientific notation
- 1.3133 × 10⁵
- As a duration
- 131,330 s = 1 day, 12 hours, 28 minutes, 50 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλατλʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋦·𝋪
- Chinese
- 一十三萬一千三百三十
- Chinese (financial)
- 壹拾參萬壹仟參佰參拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131330, here are decompositions:
- 13 + 131317 = 131330
- 19 + 131311 = 131330
- 37 + 131293 = 131330
- 79 + 131251 = 131330
- 109 + 131221 = 131330
- 127 + 131203 = 131330
- 181 + 131149 = 131330
- 229 + 131101 = 131330
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 84 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.2.
- Address
- 0.2.1.2
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.2
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 131,330 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 131330 first appears in π at position 163,805 of the decimal expansion (the 163,805ordinal-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.