125,424
125,424 is a composite number, even.
125,424 (one hundred twenty-five thousand four hundred twenty-four) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 3² × 13 × 67. Its proper divisors sum to 258,232, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E9F0.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 18
- Digit product
- 320
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 424,521
- Recamán's sequence
- a(235,316) = 125,424
- Square (n²)
- 15,731,179,776
- Cube (n³)
- 1,973,067,492,225,024
- Divisor count
- 60
- σ(n) — sum of divisors
- 383,656
- φ(n) — Euler's totient
- 38,016
- Sum of prime factors
- 94
Primality
Prime factorization: 2 4 × 3 2 × 13 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√125,424 = [354; (6, 1, 1, 3, 1, 7, 1, 27, 2, 4, 7, 4, 3, 2, 7, 44, 7, 2, 3, 4, 7, 4, 2, 27, …)]
Period length 32 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-five thousand four hundred twenty-four
- Ordinal
- 125424th
- Binary
- 11110100111110000
- Octal
- 364760
- Hexadecimal
- 0x1E9F0
- Base64
- Aenw
- One's complement
- 4,294,841,871 (32-bit)
- Scientific notation
- 1.25424 × 10⁵
- As a duration
- 125,424 s = 1 day, 10 hours, 50 minutes, 24 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋 𒌋𒌋𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ρκευκδʹ
- Mayan (base 20)
- 𝋯·𝋭·𝋫·𝋤
- Chinese
- 一十二萬五千四百二十四
- Chinese (financial)
- 壹拾貳萬伍仟肆佰貳拾肆
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 125424, here are decompositions:
- 17 + 125407 = 125424
- 37 + 125387 = 125424
- 41 + 125383 = 125424
- 53 + 125371 = 125424
- 71 + 125353 = 125424
- 113 + 125311 = 125424
- 137 + 125287 = 125424
- 163 + 125261 = 125424
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.233.240.
- Address
- 0.1.233.240
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.233.240
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 125,424 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 125424 first appears in π at position 126,536 of the decimal expansion (the 126,536ordinal-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°.