The Number

12998

Twelve Thousand Nine Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

189k21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12995
189h21
Twelve Thousand Nine Hundred and Ninety-Five in Base 21 Unovigesimal
12996
189i21
Twelve Thousand Nine Hundred and Ninety-Six in Base 21 Unovigesimal
12997
189j21
Twelve Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal
12999
18a021
Twelve Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal
13000
18a121
Thirteen Thousand in Base 21 Unovigesimal
13001
18a221
Thirteen Thousand and One in Base 21 Unovigesimal

Scientific Notation

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

1.2998e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ek48c86k6kfb21

The reciprocal of 12998 in Base 21 Unovigesimal.

Palindrome?

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

The number 189k21 is not a palindrome.

Not A Prime Number

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

Twelve thousand nine hundred and ninety-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand nine hundred and ninety-eight is a composite number with 8 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 twelve thousand nine hundred and ninety-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
67
3421
Sixty-Seven in Base 21 Unovigesimal
97
4d21
Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 34211 · 4d211 = 189k21

Base Conversions

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