125,142
125,142 is a composite number, even.
125,142 (one hundred twenty-five thousand one hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 3 × 20,857. Its proper divisors sum to 125,154, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E8D6.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 80
- Digital root
- 6
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 241,521
- Recamán's sequence
- a(235,880) = 125,142
- Square (n²)
- 15,660,520,164
- Cube (n³)
- 1,959,788,814,363,288
- Divisor count
- 8
- σ(n) — sum of divisors
- 250,296
- φ(n) — Euler's totient
- 41,712
- Sum of prime factors
- 20,862
Primality
Prime factorization: 2 × 3 × 20857
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,142 = [353; (1, 3, 14, 1, 4, 11, 1, 234, 1, 11, 4, 1, 14, 3, 1, 706)]
Period length 16 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand one hundred forty-two
- Ordinal
- 125142nd
- Binary
- 11110100011010110
- Octal
- 364326
- Hexadecimal
- 0x1E8D6
- Base64
- AejW
- One's complement
- 4,294,842,153 (32-bit)
- Scientific notation
- 1.25142 × 10⁵
- As a duration
- 125,142 s = 1 day, 10 hours, 45 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκερμβʹ
- Mayan (base 20)
- 𝋯·𝋬·𝋱·𝋢
- Chinese
- 一十二萬五千一百四十二
- Chinese (financial)
- 壹拾貳萬伍仟壹佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125142, here are decompositions:
- 11 + 125131 = 125142
- 23 + 125119 = 125142
- 29 + 125113 = 125142
- 41 + 125101 = 125142
- 79 + 125063 = 125142
- 89 + 125053 = 125142
- 113 + 125029 = 125142
- 139 + 125003 = 125142
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E A3 96 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.232.214.
- Address
- 0.1.232.214
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.232.214
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 125,142 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 125142 first appears in π at position 207,614 of the decimal expansion (the 207,614ordinal-suffix:th 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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.