999,042
999,042 is a composite number, even.
999,042 (nine hundred ninety-nine thousand forty-two) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 3 × 11 × 15,137. Its proper divisors sum to 1,180,830, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3E82.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 33
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 240,999
- Square (n²)
- 998,084,917,764
- Cube (n³)
- 997,128,752,412,782,088
- Divisor count
- 16
- σ(n) — sum of divisors
- 2,179,872
- φ(n) — Euler's totient
- 302,720
- Sum of prime factors
- 15,153
Primality
Prime factorization: 2 × 3 × 11 × 15137
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√999,042 = [999; (1, 1, 11, 2, 7, 1, 7, 1, 2, 3, 3, 1, 2, 1, 1, 1, 1, 2, 20, 64, 2, 3, 2, 2, …)]
Representations
- In words
- nine hundred ninety-nine thousand forty-two
- Ordinal
- 999042nd
- Binary
- 11110011111010000010
- Octal
- 3637202
- Hexadecimal
- 0xF3E82
- Base64
- Dz6C
- One's complement
- 4,293,968,253 (32-bit)
- Scientific notation
- 9.99042 × 10⁵
- As a duration
- 999,042 s = 11 days, 13 hours, 30 minutes, 42 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡϟθμβʹ
- Chinese
- 九十九萬九千零四十二
- Chinese (financial)
- 玖拾玖萬玖仟零肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 999042, here are decompositions:
- 13 + 999029 = 999042
- 19 + 999023 = 999042
- 53 + 998989 = 999042
- 59 + 998983 = 999042
- 73 + 998969 = 999042
- 101 + 998941 = 999042
- 181 + 998861 = 999042
- 199 + 998843 = 999042
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.62.130.
- Address
- 0.15.62.130
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.62.130
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 999,042 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 999042 first appears in π at position 67,869 of the decimal expansion (the 67,869ordinal-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°.