998,808
998,808 is a composite number, even.
998,808 (nine hundred ninety-eight thousand eight hundred eight) is an even 6-digit number. It is a composite number with 16 divisors, and factors as 2³ × 3 × 41,617. Its proper divisors sum to 1,498,272, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3D98.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 42
- Digit product
- 0
- Digital root
- 6
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 808,899
- Flips to (rotate 180°)
- 808,866
- Square (n²)
- 997,617,420,864
- Cube (n³)
- 996,428,260,898,330,112
- Divisor count
- 16
- σ(n) — sum of divisors
- 2,497,080
- φ(n) — Euler's totient
- 332,928
- Sum of prime factors
- 41,626
Primality
Prime factorization: 2 3 × 3 × 41617
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,808 = [999; (2, 2, 10, 15, 2, 1, 1, 25, 1, 2, 2, 1, 3, 34, 1, 3, 1, 10, 1, 4, 1, 1, 1, 1, …)]
Period length 56 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety-eight thousand eight hundred eight
- Ordinal
- 998808th
- Binary
- 11110011110110011000
- Octal
- 3636630
- Hexadecimal
- 0xF3D98
- Base64
- Dz2Y
- One's complement
- 4,293,968,487 (32-bit)
- Scientific notation
- 9.98808 × 10⁵
- As a duration
- 998,808 s = 11 days, 13 hours, 26 minutes, 48 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟηωηʹ
- Chinese
- 九十九萬八千八百零八
- Chinese (financial)
- 玖拾玖萬捌仟捌佰零捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998808, here are decompositions:
- 29 + 998779 = 998808
- 59 + 998749 = 998808
- 71 + 998737 = 998808
- 127 + 998681 = 998808
- 157 + 998651 = 998808
- 179 + 998629 = 998808
- 191 + 998617 = 998808
- 257 + 998551 = 998808
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.61.152.
- Address
- 0.15.61.152
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.61.152
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 998,808 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 998808 first appears in π at position 675,983 of the decimal expansion (the 675,983ordinal-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°.