125,126
125,126 is a composite number, even.
125,126 (one hundred twenty-five thousand one hundred twenty-six) is an even 6-digit number. It is a composite number with 4 divisors, and factors as 2 × 62,563. Written other ways, in hexadecimal, 0x1E8C6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 120
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 621,521
- Recamán's sequence
- a(235,912) = 125,126
- Square (n²)
- 15,656,515,876
- Cube (n³)
- 1,959,037,205,500,376
- Divisor count
- 4
- σ(n) — sum of divisors
- 187,692
- φ(n) — Euler's totient
- 62,562
- Sum of prime factors
- 62,565
Primality
Prime factorization: 2 × 62563
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,126 = [353; (1, 2, 1, 2, 1, 1, 1, 2, 1, 5, 1, 2, 2, 2, 4, 10, 1, 1, 1, 11, 2, 1, 100, 2, …)]
Representations
- In words
- one hundred twenty-five thousand one hundred twenty-six
- Ordinal
- 125126th
- Binary
- 11110100011000110
- Octal
- 364306
- Hexadecimal
- 0x1E8C6
- Base64
- AejG
- One's complement
- 4,294,842,169 (32-bit)
- Scientific notation
- 1.25126 × 10⁵
- As a duration
- 125,126 s = 1 day, 10 hours, 45 minutes, 26 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκερκϛʹ
- Mayan (base 20)
- 𝋯·𝋬·𝋰·𝋦
- Chinese
- 一十二萬五千一百二十六
- Chinese (financial)
- 壹拾貳萬伍仟壹佰貳拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125126, here are decompositions:
- 7 + 125119 = 125126
- 13 + 125113 = 125126
- 19 + 125107 = 125126
- 73 + 125053 = 125126
- 97 + 125029 = 125126
- 109 + 125017 = 125126
- 139 + 124987 = 125126
- 229 + 124897 = 125126
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.232.198.
- Address
- 0.1.232.198
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.232.198
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 125,126 and was likely granted around 1871.
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.