990,522
990,522 is a composite number, even.
990,522 (nine hundred ninety thousand five hundred twenty-two) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2 × 3³ × 13 × 17 × 83. Its proper divisors sum to 1,549,638, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF1D3A.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 27
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 225,099
- Square (n²)
- 981,133,832,484
- Cube (n³)
- 971,834,646,019,716,648
- Divisor count
- 64
- σ(n) — sum of divisors
- 2,540,160
- φ(n) — Euler's totient
- 283,392
- Sum of prime factors
- 124
Primality
Prime factorization: 2 × 3 3 × 13 × 17 × 83
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√990,522 = [995; (4, 220, 1, 10, 1, 220, 4, 1990)]
Period length 8 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety thousand five hundred twenty-two
- Ordinal
- 990522nd
- Binary
- 11110001110100111010
- Octal
- 3616472
- Hexadecimal
- 0xF1D3A
- Base64
- Dx06
- One's complement
- 4,293,976,773 (32-bit)
- Scientific notation
- 9.90522 × 10⁵
- As a duration
- 990,522 s = 11 days, 11 hours, 8 minutes, 42 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺
- Greek (Milesian)
- ͵ϡϟφκβʹ
- Chinese
- 九十九萬零五百二十二
- Chinese (financial)
- 玖拾玖萬零伍佰貳拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 990522, here are decompositions:
- 11 + 990511 = 990522
- 19 + 990503 = 990522
- 53 + 990469 = 990522
- 59 + 990463 = 990522
- 139 + 990383 = 990522
- 151 + 990371 = 990522
- 163 + 990359 = 990522
- 173 + 990349 = 990522
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.29.58.
- Address
- 0.15.29.58
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.29.58
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 990,522 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 990522 first appears in π at position 51,607 of the decimal expansion (the 51,607ordinal-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°.