124,742
124,742 is a composite number, even.
124,742 (one hundred twenty-four thousand seven hundred forty-two) is an even 6-digit number. It is a composite number with 8 divisors, and factors as 2 × 97 × 643. Written other ways, in hexadecimal, 0x1E746.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 20
- Digit product
- 448
- Digital root
- 2
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 247,421
- Recamán's sequence
- a(236,680) = 124,742
- Square (n²)
- 15,560,566,564
- Cube (n³)
- 1,941,056,194,326,488
- Divisor count
- 8
- σ(n) — sum of divisors
- 189,336
- φ(n) — Euler's totient
- 61,632
- Sum of prime factors
- 742
Primality
Prime factorization: 2 × 97 × 643
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,742 = [353; (5, 3, 4, 2, 1, 2, 1, 3, 1, 2, 1, 6, 1, 3, 1, 1, 14, 2, 8, 2, 5, 2, 6, 2, …)]
Period length 54 — the block in parentheses repeats forever.
Representations
- In words
- one hundred twenty-four thousand seven hundred forty-two
- Ordinal
- 124742nd
- Binary
- 11110011101000110
- Octal
- 363506
- Hexadecimal
- 0x1E746
- Base64
- AedG
- One's complement
- 4,294,842,553 (32-bit)
- Scientific notation
- 1.24742 × 10⁵
- As a duration
- 124,742 s = 1 day, 10 hours, 39 minutes, 2 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκδψμβʹ
- Mayan (base 20)
- 𝋯·𝋫·𝋱·𝋢
- Chinese
- 一十二萬四千七百四十二
- Chinese (financial)
- 壹拾貳萬肆仟柒佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124742, here are decompositions:
- 3 + 124739 = 124742
- 43 + 124699 = 124742
- 73 + 124669 = 124742
- 109 + 124633 = 124742
- 181 + 124561 = 124742
- 199 + 124543 = 124742
- 229 + 124513 = 124742
- 271 + 124471 = 124742
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.231.70.
- Address
- 0.1.231.70
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.231.70
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 124,742 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.