126,442
126,442 is a composite number, even.
126,442 (one hundred twenty-six thousand four hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 191 × 331. Written other ways, in hexadecimal, 0x1EDEA.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 19
- Digit product
- 384
- Digital root
- 1
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 244,621
- Square (n²)
- 15,987,579,364
- Cube (n³)
- 2,021,501,509,942,888
- Divisor count
- 8
- σ(n) — sum of divisors
- 191,232
- φ(n) — Euler's totient
- 62,700
- Sum of prime factors
- 524
Primality
Prime factorization: 2 × 191 × 331
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,442 = [355; (1, 1, 2, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 2, 41, 2, 4, 6, 2, 18, 3, 1, 26, …)]
Representations
- In words
- one hundred twenty-six thousand four hundred forty-two
- Ordinal
- 126442nd
- Binary
- 11110110111101010
- Octal
- 366752
- Hexadecimal
- 0x1EDEA
- Base64
- Ae3q
- One's complement
- 4,294,840,853 (32-bit)
- Scientific notation
- 1.26442 × 10⁵
- As a duration
- 126,442 s = 1 day, 11 hours, 7 minutes, 22 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκϛυμβʹ
- Mayan (base 20)
- 𝋯·𝋰·𝋢·𝋢
- Chinese
- 一十二萬六千四百四十二
- Chinese (financial)
- 壹拾貳萬陸仟肆佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 126442, here are decompositions:
- 83 + 126359 = 126442
- 101 + 126341 = 126442
- 131 + 126311 = 126442
- 269 + 126173 = 126442
- 311 + 126131 = 126442
- 401 + 126041 = 126442
- 419 + 126023 = 126442
- 431 + 126011 = 126442
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.237.234.
- Address
- 0.1.237.234
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.237.234
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 126,442 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 126442 first appears in π at position 908,981 of the decimal expansion (the 908,981ordinal-suffix:st 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.