131,450
131,450 is a composite number, even.
131,450 (one hundred thirty-one thousand four hundred fifty) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 5² × 11 × 239. Its proper divisors sum to 136,390, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x2017A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 54,131
- Recamán's sequence
- a(229,472) = 131,450
- Square (n²)
- 17,279,102,500
- Cube (n³)
- 2,271,338,023,625,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 267,840
- φ(n) — Euler's totient
- 47,600
- Sum of prime factors
- 262
Primality
Prime factorization: 2 × 5 2 × 11 × 239
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√131,450 = [362; (1, 1, 3, 1, 1, 1, 4, 14, 1, 1, 2, 1, 1, 14, 4, 1, 1, 1, 3, 1, 1, 724)]
Period length 22 — the block in parentheses repeats forever.
Representations
- In words
- one hundred thirty-one thousand four hundred fifty
- Ordinal
- 131450th
- Binary
- 100000000101111010
- Octal
- 400572
- Hexadecimal
- 0x2017A
- Base64
- AgF6
- One's complement
- 4,294,835,845 (32-bit)
- Scientific notation
- 1.3145 × 10⁵
- As a duration
- 131,450 s = 1 day, 12 hours, 30 minutes, 50 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρλαυνʹ
- Mayan (base 20)
- 𝋰·𝋨·𝋬·𝋪
- Chinese
- 一十三萬一千四百五十
- Chinese (financial)
- 壹拾參萬壹仟肆佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 131450, here are decompositions:
- 3 + 131447 = 131450
- 13 + 131437 = 131450
- 19 + 131431 = 131450
- 37 + 131413 = 131450
- 79 + 131371 = 131450
- 139 + 131311 = 131450
- 157 + 131293 = 131450
- 199 + 131251 = 131450
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 A0 85 BA (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.1.122.
- Address
- 0.2.1.122
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.1.122
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 131,450 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 131450 first appears in π at position 209,772 of the decimal expansion (the 209,772ordinal-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
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.