Number
-1,998
- Negative
- Even
- 4 digits
-1,998 is an even 4-digit integer and the negative of 1,998. It has 16 divisors and a digital root of 9.
Number properties
ParityEvendivisible by 2
SignNegative
Absolute value1,998
Digit count4
Digit sum27
Digital root9repeated digit sum
PalindromicNoreads differently backwards
Factors & divisors
Prime factorisation−1 × 2 × 3^3 × 37
Distinct prime factors32, 3, 37
Number of divisors16
Sum of divisors σ(n)4,560
SquarefreeNohas a repeated prime factor
All divisors1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1,99816 in total
Arithmetic
Representations
Decimal-1,998
Binary1111100111011 bits
Octal3716
Hexadecimal7CE
Base 361JI
In wordsminus one thousand, nine hundred and ninety-eight
Ordinalminus one thousand, nine hundred and ninety-eighth
Scientific notation-1.998 × 10^3
Engineering notation-1.998 × 10^3
Powers & multiples
-1,998 to the power 23,992,004
-1,998 to the power 3-7,976,023,992
-1,998 to the power 415,936,095,936,016
-1,998 to the power 5-31,840,319,680,159,968
First ten multiples-1,998, -3,996, -5,994, -7,992, -9,990, -11,988, -13,986, -15,984, -17,982, -19,980
Powers of twoBetween 2^10 (1,024) and 2^11 (2,048)
Divisibility tests
Divisible by 2Yes
Divisible by 3Yes
Divisible by 4No, remainder 2
Divisible by 5No, remainder 3
Divisible by 6Yes
Divisible by 7No, remainder 3
Divisible by 8No, remainder 6
Divisible by 9Yes
Divisible by 10No, remainder 8
Divisible by 11No, remainder 7
Divisible by 12No, remainder 6
Divisible by 100No, remainder 98
As a percentage & fraction
As a percentage-199,800%
-1,998% as a decimal-19.98
-1,998% of 100-1,998
-1,998% of 1,000-19,980
As a fraction of 100-1,998/100
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