126,140
126,140 is a composite number, even.
126,140 (one hundred twenty-six thousand one hundred forty) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2² × 5 × 7 × 17 × 53. Its proper divisors sum to 200,452, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1ECBC.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 14
- Digit product
- 0
- Digital root
- 5
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 41,621
- Recamán's sequence
- a(233,884) = 126,140
- Square (n²)
- 15,911,299,600
- Cube (n³)
- 2,007,051,331,544,000
- Divisor count
- 48
- σ(n) — sum of divisors
- 326,592
- φ(n) — Euler's totient
- 39,936
- Sum of prime factors
- 86
Primality
Prime factorization: 2 2 × 5 × 7 × 17 × 53
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√126,140 = [355; (6, 5, 1, 2, 2, 1, 1, 1, 11, 2, 2, 3, 1, 3, 1, 176, 1, 3, 1, 3, 2, 2, 11, 1, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-six thousand one hundred forty
- Ordinal
- 126140th
- Binary
- 11110110010111100
- Octal
- 366274
- Hexadecimal
- 0x1ECBC
- Base64
- Aey8
- One's complement
- 4,294,841,155 (32-bit)
- Scientific notation
- 1.2614 × 10⁵
- As a duration
- 126,140 s = 1 day, 11 hours, 2 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκϛρμʹ
- Mayan (base 20)
- 𝋯·𝋯·𝋧·𝋠
- Chinese
- 一十二萬六千一百四十
- Chinese (financial)
- 壹拾貳萬陸仟壹佰肆拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 126140, here are decompositions:
- 13 + 126127 = 126140
- 43 + 126097 = 126140
- 61 + 126079 = 126140
- 73 + 126067 = 126140
- 103 + 126037 = 126140
- 109 + 126031 = 126140
- 127 + 126013 = 126140
- 139 + 126001 = 126140
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.236.188.
- Address
- 0.1.236.188
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.236.188
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 126,140 and was likely granted around 1872.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Mayan numerals — Vigesimal dots-and-bars with a shell zero — one of the earliest true zeros.