140,731
140,731 is a prime, odd.
140,731 (one hundred forty thousand seven hundred thirty-one) is an odd 6-digit number. It is a prime number — divisible only by 1 and itself. Written other ways, in hexadecimal, 0x225BB.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 16
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 18 bits
- Reversed
- 137,041
- Recamán's sequence
- a(487,365) = 140,731
- Square (n²)
- 19,805,214,361
- Cube (n³)
- 2,787,207,622,237,891
- Divisor count
- 2
- σ(n) — sum of divisors
- 140,732
- φ(n) — Euler's totient
- 140,730
Primality
140,731 is prime. It has exactly two divisors: 1 and itself.
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√140,731 = [375; (7, 13, 49, 1, 16, 2, 7, 2, 2, 2, 1, 13, 5, 3, 12, 1, 1, 1, 1, 1, 7, 1, 2, 2, …)]
Representations
- In words
- one hundred forty thousand seven hundred thirty-one
- Ordinal
- 140731st
- Binary
- 100010010110111011
- Octal
- 422673
- Hexadecimal
- 0x225BB
- Base64
- AiW7
- One's complement
- 4,294,826,564 (32-bit)
- Scientific notation
- 1.40731 × 10⁵
- As a duration
- 140,731 s = 1 day, 15 hours, 5 minutes, 31 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓏺
- Greek (Milesian)
- ͵ρμψλαʹ
- Mayan (base 20)
- 𝋱·𝋫·𝋰·𝋫
- Chinese
- 一十四萬零七百三十一
- Chinese (financial)
- 壹拾肆萬零柒佰參拾壹
Also seen as
UTF-8 encoding: F0 A2 96 BB (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.2.37.187.
- Address
- 0.2.37.187
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.2.37.187
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 140,731 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 140731 first appears in π at position 842,885 of the decimal expansion (the 842,885ordinal-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
- Prime numbers — The building blocks of arithmetic: what primes are, why they matter, and how we find them.
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.