125,500
125,500 is a composite number, even.
125,500 (one hundred twenty-five thousand five hundred) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2² × 5³ × 251. Its proper divisors sum to 149,684, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1EA3C.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 13
- Digit product
- 0
- Digital root
- 4
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 5,521
- Recamán's sequence
- a(235,164) = 125,500
- Square (n²)
- 15,750,250,000
- Cube (n³)
- 1,976,656,375,000,000
- Divisor count
- 24
- σ(n) — sum of divisors
- 275,184
- φ(n) — Euler's totient
- 50,000
- Sum of prime factors
- 270
Primality
Prime factorization: 2 2 × 5 3 × 251
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,500 = [354; (3, 1, 5, 1, 1, 1, 2, 1, 1, 1, 2, 2, 3, 3, 2, 5, 4, 3, 1, 2, 12, 3, 2, 3, …)]
Representations
- In words
- one hundred twenty-five thousand five hundred
- Ordinal
- 125500th
- Binary
- 11110101000111100
- Octal
- 365074
- Hexadecimal
- 0x1EA3C
- Base64
- Aeo8
- One's complement
- 4,294,841,795 (32-bit)
- Scientific notation
- 1.255 × 10⁵
- As a duration
- 125,500 s = 1 day, 10 hours, 51 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ρκεφʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋯·𝋠
- Chinese
- 一十二萬五千五百
- Chinese (financial)
- 壹拾貳萬伍仟伍佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125500, here are decompositions:
- 3 + 125497 = 125500
- 29 + 125471 = 125500
- 47 + 125453 = 125500
- 59 + 125441 = 125500
- 71 + 125429 = 125500
- 101 + 125399 = 125500
- 113 + 125387 = 125500
- 197 + 125303 = 125500
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.234.60.
- Address
- 0.1.234.60
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.234.60
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 125,500 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 125500 first appears in π at position 738,765 of the decimal expansion (the 738,765ordinal-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
- Egyptian hieroglyphic numerals — Seven hieroglyphs for every power of ten, from a single stroke to a million.