999,998
999,998 is a composite number, even.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 53
- Digit product
- 472,392
- Digital root
- 8
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 899,999
- Flips to (rotate 180°)
- 866,666
- Square (n²)
- 999,996,000,004
- Cube (n³)
- 999,994,000,011,999,992
- Divisor count
- 12
- σ(n) — sum of divisors
- 1,560,672
- φ(n) — Euler's totient
- 480,060
- Sum of prime factors
- 287
Primality
Prime factorization: 2 × 31 × 127 2
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√999,998 = [999; (1, 998, 1, 1998)]
Period length 4 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety-nine thousand nine hundred ninety-eight
- Ordinal
- 999998th
- Binary
- 11110100001000111110
- Octal
- 3641076
- Hexadecimal
- 0xF423E
- Base64
- D0I+
- One's complement
- 4,293,967,297 (32-bit)
- Scientific notation
- 9.99998 × 10⁵
- As a duration
- 999,998 s = 11 days, 13 hours, 46 minutes, 38 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟθϡϟηʹ
- Chinese
- 九十九萬九千九百九十八
- Chinese (financial)
- 玖拾玖萬玖仟玖佰玖拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 999998, here are decompositions:
- 19 + 999979 = 999998
- 37 + 999961 = 999998
- 67 + 999931 = 999998
- 229 + 999769 = 999998
- 271 + 999727 = 999998
- 277 + 999721 = 999998
- 331 + 999667 = 999998
- 367 + 999631 = 999998
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.66.62.
- Address
- 0.15.66.62
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.66.62
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 999,998 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 999998 first appears in π at position 763 of the decimal expansion (the 763ordinal-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.