998,928
998,928 is a composite number, even.
998,928 (nine hundred ninety-eight thousand nine hundred twenty-eight) is an even 6-digit number. It is a composite number with 60 divisors, and factors as 2⁴ × 3² × 7 × 991. Its proper divisors sum to 2,199,280, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3E10.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 45
- Digit product
- 93,312
- Digital root
- 9
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 829,899
- Square (n²)
- 997,857,149,184
- Cube (n³)
- 996,787,446,320,074,752
- Divisor count
- 60
- σ(n) — sum of divisors
- 3,198,208
- φ(n) — Euler's totient
- 285,120
- Sum of prime factors
- 1,012
Primality
Prime factorization: 2 4 × 3 2 × 7 × 991
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,928 = [999; (2, 6, 2, 2, 1, 1, 41, 1, 17, 1, 1, 7, 3, 2, 1, 1, 4, 1, 1, 1, 2, 2, 2, 24, …)]
Representations
- In words
- nine hundred ninety-eight thousand nine hundred twenty-eight
- Ordinal
- 998928th
- Binary
- 11110011111000010000
- Octal
- 3637020
- Hexadecimal
- 0xF3E10
- Base64
- Dz4Q
- One's complement
- 4,293,968,367 (32-bit)
- Scientific notation
- 9.98928 × 10⁵
- As a duration
- 998,928 s = 11 days, 13 hours, 28 minutes, 48 seconds
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟηϡκηʹ
- Chinese
- 九十九萬八千九百二十八
- Chinese (financial)
- 玖拾玖萬捌仟玖佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998928, here are decompositions:
- 11 + 998917 = 998928
- 19 + 998909 = 998928
- 31 + 998897 = 998928
- 67 + 998861 = 998928
- 71 + 998857 = 998928
- 89 + 998839 = 998928
- 97 + 998831 = 998928
- 109 + 998819 = 998928
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.62.16.
- Address
- 0.15.62.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.62.16
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 998,928 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 998928 first appears in π at position 28,857 of the decimal expansion (the 28,857ordinal-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°.