990,342
990,342 is a composite number, even.
990,342 (nine hundred ninety thousand three hundred forty-two) is an even 6-digit number. It is a composite number with 24 divisors, and factors as 2 × 3² × 37 × 1,487. Its proper divisors sum to 1,214,874, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF1C86.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 243,099
- Square (n²)
- 980,777,276,964
- Cube (n³)
- 971,304,930,023,081,688
- Divisor count
- 24
- σ(n) — sum of divisors
- 2,205,216
- φ(n) — Euler's totient
- 320,976
- Sum of prime factors
- 1,532
Primality
Prime factorization: 2 × 3 2 × 37 × 1487
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,342 = [995; (6, 3, 1, 1, 2, 9, 23, 27, 4, 1, 1, 13, 1, 3, 4, 3, 3, 73, 2, 2, 2, 1, 1, 1, …)]
Representations
- In words
- nine hundred ninety thousand three hundred forty-two
- Ordinal
- 990342nd
- Binary
- 11110001110010000110
- Octal
- 3616206
- Hexadecimal
- 0xF1C86
- Base64
- DxyG
- One's complement
- 4,293,976,953 (32-bit)
- Scientific notation
- 9.90342 × 10⁵
- As a duration
- 990,342 s = 11 days, 11 hours, 5 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡϟτμβʹ
- Chinese
- 九十九萬零三百四十二
- Chinese (financial)
- 玖拾玖萬零參佰肆拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990342, here are decompositions:
- 11 + 990331 = 990342
- 13 + 990329 = 990342
- 19 + 990323 = 990342
- 29 + 990313 = 990342
- 53 + 990289 = 990342
- 61 + 990281 = 990342
- 83 + 990259 = 990342
- 103 + 990239 = 990342
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.28.134.
- Address
- 0.15.28.134
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.28.134
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 990,342 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 990342 first appears in π at position 785,316 of the decimal expansion (the 785,316ordinal-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°.