998,800
998,800 is a composite number, even.
998,800 (nine hundred ninety-eight thousand eight hundred) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 5² × 11 × 227. Its proper divisors sum to 1,630,496, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3D90.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 34
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 8,899
- Flips to (rotate 180°)
- 8,866
- Square (n²)
- 997,601,440,000
- Cube (n³)
- 996,404,318,272,000,000
- Divisor count
- 60
- σ(n) — sum of divisors
- 2,629,296
- φ(n) — Euler's totient
- 361,600
- Sum of prime factors
- 256
Primality
Prime factorization: 2 4 × 5 2 × 11 × 227
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,800 = [999; (2, 1, 1, 221, 2, 21, 1, 23, 1, 2, 1, 1, 2, 2, 9, 2, 1, 1, 1, 2, 1, 11, 9, 1, …)]
Representations
- In words
- nine hundred ninety-eight thousand eight hundred
- Ordinal
- 998800th
- Binary
- 11110011110110010000
- Octal
- 3636620
- Hexadecimal
- 0xF3D90
- Base64
- Dz2Q
- One's complement
- 4,293,968,495 (32-bit)
- Scientific notation
- 9.988 × 10⁵
- As a duration
- 998,800 s = 11 days, 13 hours, 26 minutes, 40 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ϡϟηωʹ
- Chinese
- 九十九萬八千八百
- Chinese (financial)
- 玖拾玖萬捌仟捌佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998800, here are decompositions:
- 41 + 998759 = 998800
- 83 + 998717 = 998800
- 113 + 998687 = 998800
- 149 + 998651 = 998800
- 167 + 998633 = 998800
- 239 + 998561 = 998800
- 263 + 998537 = 998800
- 389 + 998411 = 998800
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.61.144.
- Address
- 0.15.61.144
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.61.144
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 998,800 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 998800 first appears in π at position 359,531 of the decimal expansion (the 359,531ordinal-suffix:st 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°.