124,990
124,990 is a composite number, even.
124,990 (one hundred twenty-four thousand nine hundred ninety) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 29 × 431. Written other ways, in hexadecimal, 0x1E83E.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 25
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 99,421
- Recamán's sequence
- a(236,184) = 124,990
- Square (n²)
- 15,622,500,100
- Cube (n³)
- 1,952,656,287,499,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 233,280
- φ(n) — Euler's totient
- 48,160
- Sum of prime factors
- 467
Primality
Prime factorization: 2 × 5 × 29 × 431
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√124,990 = [353; (1, 1, 5, 1, 6, 1, 2, 11, 1, 1, 1, 2, 1, 77, 1, 5, 6, 4, 1, 12, 3, 2, 9, 1, …)]
Representations
- In words
- one hundred twenty-four thousand nine hundred ninety
- Ordinal
- 124990th
- Binary
- 11110100000111110
- Octal
- 364076
- Hexadecimal
- 0x1E83E
- Base64
- Aeg+
- One's complement
- 4,294,842,305 (32-bit)
- Scientific notation
- 1.2499 × 10⁵
- As a duration
- 124,990 s = 1 day, 10 hours, 43 minutes, 10 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹 𒌋
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆
- Greek (Milesian)
- ͵ρκδϡϟʹ
- Mayan (base 20)
- 𝋯·𝋬·𝋩·𝋪
- Chinese
- 一十二萬四千九百九十
- Chinese (financial)
- 壹拾貳萬肆仟玖佰玖拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 124990, here are decompositions:
- 3 + 124987 = 124990
- 11 + 124979 = 124990
- 71 + 124919 = 124990
- 83 + 124907 = 124990
- 137 + 124853 = 124990
- 167 + 124823 = 124990
- 191 + 124799 = 124990
- 197 + 124793 = 124990
Showing the first eight; more decompositions exist.
UTF-8 encoding: F0 9E A0 BE (4 bytes).
As an unsigned 32-bit integer, this is the IPv4 address 0.1.232.62.
- Address
- 0.1.232.62
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.232.62
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 124,990 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 124990 first appears in π at position 840,953 of the decimal expansion (the 840,953ordinal-suffix:rd 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.