The Number

1998

One Thousand Nine Hundred and Ninety-Eight

In Base 12 Duodecimal Is

11a612

The numbers with a 12 subscript use Base 12 Duodecimal notation.

For more familiar numbers: See One Thousand Nine Hundred and Ninety-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1995
11a312
One Thousand Nine Hundred and Ninety-Five in Base 12 Duodecimal
1996
11a412
One Thousand Nine Hundred and Ninety-Six in Base 12 Duodecimal
1997
11a512
One Thousand Nine Hundred and Ninety-Seven in Base 12 Duodecimal
1999
11a712
One Thousand Nine Hundred and Ninety-Nine in Base 12 Duodecimal
2000
11a812
Two Thousand in Base 12 Duodecimal
2001
11a912
Two Thousand and One in Base 12 Duodecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.998e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000a465a0794a465a12

The reciprocal of 1998 in Base 12 Duodecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 11a612 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand nine hundred and ninety-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and ninety-eight is a composite number with 16 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand nine hundred and ninety-eight has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
37
3112
Thirty-Seven in Base 12 Duodecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2121 · 3123 · 31121 = 11a612

Base Conversions

The number one thousand nine hundred and ninety-eight in 35 different bases