125,513
125,513 is a composite number, odd.
125,513 (one hundred twenty-five thousand five hundred thirteen) is an odd 6-digit number. It is a composite number with 4 divisors, and factors as 313 × 401. Written other ways, in hexadecimal, 0x1EA49.
Interestingness
Properties
- Parity
- Odd
- Digit count
- 6
- Digit sum
- 17
- Digit product
- 150
- Digital root
- 8
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 315,521
- Recamán's sequence
- a(235,138) = 125,513
- Square (n²)
- 15,753,513,169
- Cube (n³)
- 1,977,270,698,380,697
- Divisor count
- 4
- σ(n) — sum of divisors
- 126,228
- φ(n) — Euler's totient
- 124,800
- Sum of prime factors
- 714
Primality
Prime factorization: 313 × 401
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,513 = [354; (3, 1, 1, 2, 8, 6, 1, 3, 6, 88, 2, 2, 3, 1, 2, 3, 1, 1, 4, 7, 1, 4, 1, 43, …)]
Representations
- In words
- one hundred twenty-five thousand five hundred thirteen
- Ordinal
- 125513th
- Binary
- 11110101001001001
- Octal
- 365111
- Hexadecimal
- 0x1EA49
- Base64
- AepJ
- One's complement
- 4,294,841,782 (32-bit)
- Scientific notation
- 1.25513 × 10⁵
- As a duration
- 125,513 s = 1 day, 10 hours, 51 minutes, 53 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋𒌋𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓎆𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκεφιγʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋯·𝋭
- Chinese
- 一十二萬五千五百一十三
- Chinese (financial)
- 壹拾貳萬伍仟伍佰壹拾參
Also seen as
As an unsigned 32-bit integer, this is the IPv4 address 0.1.234.73.
- Address
- 0.1.234.73
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.234.73
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 125,513 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.