125,320
125,320 is a composite number, even.
125,320 (one hundred twenty-five thousand three hundred twenty) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 5 × 13 × 241. Its proper divisors sum to 179,600, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E988.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 23,521
- Recamán's sequence
- a(235,524) = 125,320
- Square (n²)
- 15,705,102,400
- Cube (n³)
- 1,968,163,432,768,000
- Divisor count
- 32
- σ(n) — sum of divisors
- 304,920
- φ(n) — Euler's totient
- 46,080
- Sum of prime factors
- 265
Primality
Prime factorization: 2 3 × 5 × 13 × 241
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,320 = [354; (177, 708)]
Period length 2 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand three hundred twenty
- Ordinal
- 125320th
- Binary
- 11110100110001000
- Octal
- 364610
- Hexadecimal
- 0x1E988
- Base64
- AemI
- One's complement
- 4,294,841,975 (32-bit)
- Scientific notation
- 1.2532 × 10⁵
- As a duration
- 125,320 s = 1 day, 10 hours, 48 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ρκετκʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋦·𝋠
- Chinese
- 一十二萬五千三百二十
- Chinese (financial)
- 壹拾貳萬伍仟參佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125320, here are decompositions:
- 17 + 125303 = 125320
- 59 + 125261 = 125320
- 89 + 125231 = 125320
- 101 + 125219 = 125320
- 113 + 125207 = 125320
- 137 + 125183 = 125320
- 179 + 125141 = 125320
- 227 + 125093 = 125320
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.233.136.
- Address
- 0.1.233.136
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.233.136
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 125,320 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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.