125,250
125,250 is a composite number, even.
125,250 (one hundred twenty-five thousand two hundred fifty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2 × 3 × 5³ × 167. Its proper divisors sum to 189,246, more than the number itself, making it an abundant number. It is the 500th triangular number. Written other ways, in hexadecimal, 0x1E942.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 15
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 52,521
- Recamán's sequence
- a(235,664) = 125,250
- Square (n²)
- 15,687,562,500
- Cube (n³)
- 1,964,867,203,125,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 314,496
- φ(n) — Euler's totient
- 33,200
- Sum of prime factors
- 187
Primality
Prime factorization: 2 × 3 × 5 3 × 167
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,250 = [353; (1, 9, 1, 2, 1, 1, 1, 5, 4, 1, 2, 27, 1, 21, 1, 6, 1, 1, 2, 1, 9, 3, 1, 27, …)]
Period length 60 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand two hundred fifty
- Ordinal
- 125250th
- Binary
- 11110100101000010
- Octal
- 364502
- Hexadecimal
- 0x1E942
- Base64
- AelC
- One's complement
- 4,294,842,045 (32-bit)
- Scientific notation
- 1.2525 × 10⁵
- As a duration
- 125,250 s = 1 day, 10 hours, 47 minutes, 30 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκεσνʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋢·𝋪
- Chinese
- 一十二萬五千二百五十
- Chinese (financial)
- 壹拾貳萬伍仟貳佰伍拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125250, here are decompositions:
- 7 + 125243 = 125250
- 19 + 125231 = 125250
- 29 + 125221 = 125250
- 31 + 125219 = 125250
- 43 + 125207 = 125250
- 53 + 125197 = 125250
- 67 + 125183 = 125250
- 101 + 125149 = 125250
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E A5 82 (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.233.66.
- Address
- 0.1.233.66
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.233.66
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 125,250 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 125250 first appears in π at position 550,537 of the decimal expansion (the 550,537ordinal-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
- Triangular numbers — 1, 3, 6, 10, 15 … the counting numbers stacked into triangles, and Gauss's famous shortcut for summing them.
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.