131,444
131,444 is a composite number, even.
131,444 (one hundred thirty-one thousand four hundred forty-four) is an even 6-digit number. It is a composite number with 12 divisors, and factors as 2² × 17 × 1,933. Written other ways, in hexadecimal, 0x20174.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 192
- Digital root
- 8
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 444,131
- Recamán's sequence
- a(229,484) = 131,444
- Square (n²)
- 17,277,525,136
- Cube (n³)
- 2,271,027,013,976,384
- Divisor count
- 12
- σ(n) — sum of divisors
- 243,684
- φ(n) — Euler's totient
- 61,824
- Sum of prime factors
- 1,954
Primality
Prime factorization: 2 2 × 17 × 1933
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,444 = [362; (1, 1, 4, 3, 3, 5, 1, 2, 4, 3, 15, 8, 2, 6, 1, 2, 2, 3, 16, 1, 1, 3, 45, 28, …)]
Representations
- In words
- one hundred thirty-one thousand four hundred forty-four
- Ordinal
- 131444th
- Binary
- 100000000101110100
- Octal
- 400564
- Hexadecimal
- 0x20174
- Base64
- AgF0
- One's complement
- 4,294,835,851 (32-bit)
- Scientific notation
- 1.31444 × 10⁵
- As a duration
- 131,444 s = 1 day, 12 hours, 30 minutes, 44 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυμδʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋬·𝋤
- Chinese
- 一十三萬一千四百四十四
- Chinese (financial)
- 壹拾參萬壹仟肆佰肆拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131444, here are decompositions:
- 3 + 131441 = 131444
- 7 + 131437 = 131444
- 13 + 131431 = 131444
- 31 + 131413 = 131444
- 73 + 131371 = 131444
- 127 + 131317 = 131444
- 151 + 131293 = 131444
- 193 + 131251 = 131444
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 85 B4 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.116.
- Address
- 0.2.1.116
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.116
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 131,444 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 131444 first appears in π at position 885,439 of the decimal expansion (the 885,439ordinal-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.