126,742
126,742 is a composite number, even.
126,742 (one hundred twenty-six thousand seven hundred forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 7 × 11 × 823. Written other ways, in hexadecimal, 0x1EF16.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 22
- Digit product
- 672
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 247,621
- Recamán's sequence
- a(499,883) = 126,742
- Square (n²)
- 16,063,534,564
- Cube (n³)
- 2,035,924,497,710,488
- Divisor count
- 16
- σ(n) — sum of divisors
- 237,312
- φ(n) — Euler's totient
- 49,320
- Sum of prime factors
- 843
Primality
Prime factorization: 2 × 7 × 11 × 823
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,742 = [356; (118, 1, 2, 78, 1, 3, 1, 1, 12, 1, 1, 1, 2, 2, 1, 8, 11, 1, 1, 3, 1, 5, 1, 1, …)]
Representations
- In words
- one hundred twenty-six thousand seven hundred forty-two
- Ordinal
- 126742nd
- Binary
- 11110111100010110
- Octal
- 367426
- Hexadecimal
- 0x1EF16
- Base64
- Ae8W
- One's complement
- 4,294,840,553 (32-bit)
- Scientific notation
- 1.26742 × 10⁵
- As a duration
- 126,742 s = 1 day, 11 hours, 12 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκϛψμβʹ
- Mayan (base 20)
- 𝋯·𝋰·𝋱·𝋢
- Chinese
- 一十二萬六千七百四十二
- Chinese (financial)
- 壹拾貳萬陸仟柒佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 126742, here are decompositions:
- 3 + 126739 = 126742
- 23 + 126719 = 126742
- 29 + 126713 = 126742
- 59 + 126683 = 126742
- 89 + 126653 = 126742
- 101 + 126641 = 126742
- 131 + 126611 = 126742
- 191 + 126551 = 126742
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.239.22.
- Address
- 0.1.239.22
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.239.22
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 126,742 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 126742 first appears in π at position 280,772 of the decimal expansion (the 280,772ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.