131,454
131,454 is a composite number, even.
131,454 (one hundred thirty-one thousand four hundred fifty-four) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 3² × 67 × 109. Its proper divisors sum to 160,266, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2017E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 240
- Digital root
- 9
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 454,131
- Recamán's sequence
- a(229,464) = 131,454
- Square (n²)
- 17,280,154,116
- Cube (n³)
- 2,271,545,379,164,664
- Divisor count
- 24
- σ(n) — sum of divisors
- 291,720
- φ(n) — Euler's totient
- 42,768
- Sum of prime factors
- 184
Primality
Prime factorization: 2 × 3 2 × 67 × 109
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,454 = [362; (1, 1, 3, 3, 2, 1, 1, 1, 9, 5, 1, 8, 144, 1, 10, 1, 1, 14, 3, 1, 1, 1, 1, 2, …)]
Representations
- In words
- one hundred thirty-one thousand four hundred fifty-four
- Ordinal
- 131454th
- Binary
- 100000000101111110
- Octal
- 400576
- Hexadecimal
- 0x2017E
- Base64
- AgF+
- One's complement
- 4,294,835,841 (32-bit)
- Scientific notation
- 1.31454 × 10⁵
- As a duration
- 131,454 s = 1 day, 12 hours, 30 minutes, 54 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρλαυνδʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋬·𝋮
- Chinese
- 一十三萬一千四百五十四
- Chinese (financial)
- 壹拾參萬壹仟肆佰伍拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131454, here are decompositions:
- 5 + 131449 = 131454
- 7 + 131447 = 131454
- 13 + 131441 = 131454
- 17 + 131437 = 131454
- 23 + 131431 = 131454
- 41 + 131413 = 131454
- 73 + 131381 = 131454
- 83 + 131371 = 131454
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 85 BE (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.126.
- Address
- 0.2.1.126
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.126
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 131,454 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 131454 first appears in π at position 529,292 of the decimal expansion (the 529,292ordinal-suffix:nd 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°.