988,688
988,688 is a composite number, even.
988,688 (nine hundred eighty-eight thousand six hundred eighty-eight) is an even 6-digit number. It is a composite number with 20 divisors, and factors as 2⁴ × 61 × 1,013. Written other ways, in hexadecimal, 0xF1610.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 47
- Digit product
- 221,184
- Digital root
- 2
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 886,889
- Flips to (rotate 180°)
- 889,886
- Square (n²)
- 977,503,961,344
- Cube (n³)
- 966,446,436,533,276,672
- Divisor count
- 20
- σ(n) — sum of divisors
- 1,948,908
- φ(n) — Euler's totient
- 485,760
- Sum of prime factors
- 1,082
Primality
Prime factorization: 2 4 × 61 × 1013
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√988,688 = [994; (3, 20, 5, 1, 15, 1, 7, 9, 26, 17, 1, 1, 3, 1, 1, 1, 3, 7, 2, 37, 1, 3, 2, 5, …)]
Representations
- In words
- nine hundred eighty-eight thousand six hundred eighty-eight
- Ordinal
- 988688th
- Binary
- 11110001011000010000
- Octal
- 3613020
- Hexadecimal
- 0xF1610
- Base64
- DxYQ
- One's complement
- 4,293,978,607 (32-bit)
- Scientific notation
- 9.88688 × 10⁵
- As a duration
- 988,688 s = 11 days, 10 hours, 38 minutes, 8 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡπηχπηʹ
- Chinese
- 九十八萬八千六百八十八
- Chinese (financial)
- 玖拾捌萬捌仟陸佰捌拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 988688, here are decompositions:
- 7 + 988681 = 988688
- 37 + 988651 = 988688
- 97 + 988591 = 988688
- 109 + 988579 = 988688
- 139 + 988549 = 988688
- 199 + 988489 = 988688
- 229 + 988459 = 988688
- 271 + 988417 = 988688
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.22.16.
- Address
- 0.15.22.16
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.22.16
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 988,688 and was likely granted around 1911.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.