998,656
998,656 is a composite number, even.
998,656 (nine hundred ninety-eight thousand six hundred fifty-six) is an even 6-digit number. It is a composite number with 36 divisors, and factors as 2⁸ × 47 × 83. Its proper divisors sum to 1,061,696, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3D00.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 43
- Digit product
- 116,640
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 656,899
- Square (n²)
- 997,313,806,336
- Cube (n³)
- 995,973,416,580,284,416
- Divisor count
- 36
- σ(n) — sum of divisors
- 2,060,352
- φ(n) — Euler's totient
- 482,816
- Sum of prime factors
- 146
Primality
Prime factorization: 2 8 × 47 × 83
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,656 = [999; (3, 19, 1, 1, 1, 7, 1, 1, 1, 2, 1, 1, 5, 8, 1, 2, 2, 1, 2, 55, 6, 1, 3, 8, …)]
Representations
- In words
- nine hundred ninety-eight thousand six hundred fifty-six
- Ordinal
- 998656th
- Binary
- 11110011110100000000
- Octal
- 3636400
- Hexadecimal
- 0xF3D00
- Base64
- Dz0A
- One's complement
- 4,293,968,639 (32-bit)
- Scientific notation
- 9.98656 × 10⁵
- As a duration
- 998,656 s = 11 days, 13 hours, 24 minutes, 16 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡϟηχνϛʹ
- Chinese
- 九十九萬八千六百五十六
- Chinese (financial)
- 玖拾玖萬捌仟陸佰伍拾陸
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998656, here are decompositions:
- 3 + 998653 = 998656
- 5 + 998651 = 998656
- 23 + 998633 = 998656
- 227 + 998429 = 998656
- 233 + 998423 = 998656
- 257 + 998399 = 998656
- 383 + 998273 = 998656
- 419 + 998237 = 998656
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.61.0.
- Address
- 0.15.61.0
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.61.0
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 998,656 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 998656 first appears in π at position 253,558 of the decimal expansion (the 253,558ordinal-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°.