The Number

12398

Twelve Thousand Three Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

172821

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

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

Nearby Numbers

Positive, nonzero integers within three units

12395
172521
Twelve Thousand Three Hundred and Ninety-Five in Base 21 Unovigesimal
12396
172621
Twelve Thousand Three Hundred and Ninety-Six in Base 21 Unovigesimal
12397
172721
Twelve Thousand Three Hundred and Ninety-Seven in Base 21 Unovigesimal
12399
172921
Twelve Thousand Three Hundred and Ninety-Nine in Base 21 Unovigesimal
12400
172a21
Twelve Thousand Four Hundred in Base 21 Unovigesimal
12401
172b21
Twelve Thousand Four Hundred 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.

1.2398e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000fe8fadbfb60121

The reciprocal of 12398 in Base 21 Unovigesimal.

Palindrome?

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

The number 172821 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 three hundred and ninety-eight is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand three hundred and ninety-eight is a composite number with 4 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 three hundred and ninety-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
6199
e1421
Six Thousand One Hundred and Ninety-Nine 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 · e14211 = 172821

Base Conversions

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