998,930
998,930 is a composite number, even.
998,930 (nine hundred ninety-eight thousand nine hundred thirty) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2 × 5 × 191 × 523. Written other ways, in hexadecimal, 0xF3E12.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 38
- Digit product
- 0
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 39,899
- Square (n²)
- 997,861,144,900
- Cube (n³)
- 996,793,433,474,957,000
- Divisor count
- 16
- σ(n) — sum of divisors
- 1,810,944
- φ(n) — Euler's totient
- 396,720
- Sum of prime factors
- 721
Primality
Prime factorization: 2 × 5 × 191 × 523
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,930 = [999; (2, 6, 1, 1, 1, 1, 2, 3, 4, 10, 4, 3, 2, 1, 1, 1, 1, 6, 2, 1998)]
Period length 20 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety-eight thousand nine hundred thirty
- Ordinal
- 998930th
- Binary
- 11110011111000010010
- Octal
- 3637022
- Hexadecimal
- 0xF3E12
- Base64
- Dz4S
- One's complement
- 4,293,968,365 (32-bit)
- Scientific notation
- 9.9893 × 10⁵
- As a duration
- 998,930 s = 11 days, 13 hours, 28 minutes, 50 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆
- Greek (Milesian)
- ͵ϡϟηϡλʹ
- Chinese
- 九十九萬八千九百三十
- Chinese (financial)
- 玖拾玖萬捌仟玖佰參拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998930, here are decompositions:
- 3 + 998927 = 998930
- 13 + 998917 = 998930
- 73 + 998857 = 998930
- 151 + 998779 = 998930
- 181 + 998749 = 998930
- 193 + 998737 = 998930
- 241 + 998689 = 998930
- 277 + 998653 = 998930
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.62.18.
- Address
- 0.15.62.18
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.62.18
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 998,930 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 998930 first appears in π at position 140,163 of the decimal expansion (the 140,163ordinal-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
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.