998,920
998,920 is a composite number, even.
998,920 (nine hundred ninety-eight thousand nine hundred twenty) is an even 6-digit number. It is a composite number with 64 divisors, and factors as 2³ × 5 × 13 × 17 × 113. Its proper divisors sum to 1,586,600, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3E08.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 37
- Digit product
- 0
- Digital root
- 1
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 29,899
- Square (n²)
- 997,841,166,400
- Cube (n³)
- 996,763,497,940,288,000
- Divisor count
- 64
- σ(n) — sum of divisors
- 2,585,520
- φ(n) — Euler's totient
- 344,064
- Sum of prime factors
- 154
Primality
Prime factorization: 2 3 × 5 × 13 × 17 × 113
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,920 = [999; (2, 5, 1, 2, 1, 2, 499, 2, 1, 2, 1, 5, 2, 1998)]
Period length 14 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety-eight thousand nine hundred twenty
- Ordinal
- 998920th
- Binary
- 11110011111000001000
- Octal
- 3637010
- Hexadecimal
- 0xF3E08
- Base64
- Dz4I
- One's complement
- 4,293,968,375 (32-bit)
- Scientific notation
- 9.9892 × 10⁵
- As a duration
- 998,920 s = 11 days, 13 hours, 28 minutes, 40 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆
- Greek (Milesian)
- ͵ϡϟηϡκʹ
- Chinese
- 九十九萬八千九百二十
- Chinese (financial)
- 玖拾玖萬捌仟玖佰貳拾
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998920, here are decompositions:
- 3 + 998917 = 998920
- 11 + 998909 = 998920
- 23 + 998897 = 998920
- 59 + 998861 = 998920
- 89 + 998831 = 998920
- 101 + 998819 = 998920
- 107 + 998813 = 998920
- 233 + 998687 = 998920
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.62.8.
- Address
- 0.15.62.8
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.62.8
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 998,920 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 998920 first appears in π at position 284,769 of the decimal expansion (the 284,769ordinal-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°.