The Number

21490

Twenty-One Thousand Four Hundred and Ninety

In Base 25 Pentavigesimal Is

199f25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21487
199c25
Twenty-One Thousand Four Hundred and Eighty-Seven in Base 25 Pentavigesimal
21488
199d25
Twenty-One Thousand Four Hundred and Eighty-Eight in Base 25 Pentavigesimal
21489
199e25
Twenty-One Thousand Four Hundred and Eighty-Nine in Base 25 Pentavigesimal
21491
199g25
Twenty-One Thousand Four Hundred and Ninety-One in Base 25 Pentavigesimal
21492
199h25
Twenty-One Thousand Four Hundred and Ninety-Two in Base 25 Pentavigesimal
21493
199i25
Twenty-One Thousand Four Hundred and Ninety-Three in Base 25 Pentavigesimal

Scientific Notation

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

2.1490e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000i4agdhigg0n25

The reciprocal of 21490 in Base 25 Pentavigesimal.

Palindrome?

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

The number 199f25 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand four hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand four hundred and ninety 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 twenty-one thousand four hundred and ninety has the following 4 prime factors:

2
225
Two in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal
7
725
Seven in Base 25 Pentavigesimal
307
c725
Three Hundred and Seven in Base 25 Pentavigesimal

Prime Factorization

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

2251 · 5251 · 7251 · c7251 = 199f25

Base Conversions

The number twenty-one thousand four hundred and ninety in 35 different bases