125,000
125,000 is a composite number, even.
125,000 (one hundred twenty-five thousand) is an even 6-digit number. It is a composite number with 28 divisors, and factors as 2³ × 5⁶. Its proper divisors sum to 167,965, more than the number itself, making it an abundant number. It is a perfect cube (50³). Written other ways, in hexadecimal, 0x1E848.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 8
- Digit product
- 0
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 521
- Recamán's sequence
- a(236,164) = 125,000
- Square (n²)
- 15,625,000,000
- Cube (n³)
- 1,953,125,000,000,000
- Cube root (∛n)
- 50
- Divisor count
- 28
- σ(n) — sum of divisors
- 292,965
- φ(n) — Euler's totient
- 50,000
- Sum of prime factors
- 36
Primality
Prime factorization: 2 3 × 5 6
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,000 = [353; (1, 1, 4, 5, 2, 12, 5, 1, 6, 4, 4, 14, 5, 7, 1, 2, 1, 27, 1, 1, 5, 2, 3, 4, …)]
Representations
- In words
- one hundred twenty-five thousand
- Ordinal
- 125000th
- Binary
- 11110100001001000
- Octal
- 364110
- Hexadecimal
- 0x1E848
- Base64
- AehI
- One's complement
- 4,294,842,295 (32-bit)
- Scientific notation
- 1.25 × 10⁵
- As a duration
- 125,000 s = 1 day, 10 hours, 43 minutes, 20 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼
- Greek (Milesian)
- ͵ρκε
- Mayan (base 20)
- 𝋯·𝋬·𝋪·𝋠
- Chinese
- 一十二萬五千
- Chinese (financial)
- 壹拾貳萬伍仟
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125000, here are decompositions:
- 13 + 124987 = 125000
- 19 + 124981 = 125000
- 103 + 124897 = 125000
- 181 + 124819 = 125000
- 223 + 124777 = 125000
- 229 + 124771 = 125000
- 241 + 124759 = 125000
- 283 + 124717 = 125000
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E A1 88 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.232.72.
- Address
- 0.1.232.72
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.232.72
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 125,000 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.