998,400
998,400 is a composite number, even.
998,400 (nine hundred ninety-eight thousand four hundred) is an even 6-digit number. It is a composite number with 132 divisors, and factors as 2¹⁰ × 3 × 5² × 13. Its proper divisors sum to 2,555,192, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xF3C00.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 30
- Digit product
- 0
- Digital root
- 3
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 4,899
- Square (n²)
- 996,802,560,000
- Cube (n³)
- 995,207,675,904,000,000
- Divisor count
- 132
- σ(n) — sum of divisors
- 3,553,592
- φ(n) — Euler's totient
- 245,760
- Sum of prime factors
- 46
Primality
Prime factorization: 2 10 × 3 × 5 2 × 13
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√998,400 = [999; (5, 124, 1, 2, 3, 499, 3, 2, 1, 124, 5, 1998)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred ninety-eight thousand four hundred
- Ordinal
- 998400th
- Binary
- 11110011110000000000
- Octal
- 3636000
- Hexadecimal
- 0xF3C00
- Base64
- DzwA
- One's complement
- 4,293,968,895 (32-bit)
- Scientific notation
- 9.984 × 10⁵
- As a duration
- 998,400 s = 11 days, 13 hours, 20 minutes
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋 ·
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓆼𓍢𓍢𓍢𓍢
- Greek (Milesian)
- ͵ϡϟηυʹ
- Chinese
- 九十九萬八千四百
- Chinese (financial)
- 玖拾玖萬捌仟肆佰
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 998400, here are decompositions:
- 19 + 998381 = 998400
- 23 + 998377 = 998400
- 47 + 998353 = 998400
- 71 + 998329 = 998400
- 89 + 998311 = 998400
- 113 + 998287 = 998400
- 127 + 998273 = 998400
- 157 + 998243 = 998400
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.15.60.0.
- Address
- 0.15.60.0
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.15.60.0
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 998,400 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°.