Nearby Numbers

Positive, nonzero integers within three units

21022

25e121

Twenty-One Thousand and Twenty-Two in Base 21 Unovigesimal

21023

25e221

Twenty-One Thousand and Twenty-Three in Base 21 Unovigesimal

21024

25e321

Twenty-One Thousand and Twenty-Four in Base 21 Unovigesimal

21026

25e521

Twenty-One Thousand and Twenty-Six in Base 21 Unovigesimal

21027

25e621

Twenty-One Thousand and Twenty-Seven in Base 21 Unovigesimal

21028

25e721

Twenty-One Thousand and Twenty-Eight in Base 21 Unovigesimal

Scientific Notation

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

2.1025e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00095552je94ah821

The reciprocal of 21025 in Base 21 Unovigesimal.

Palindrome?

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

The number 25e421 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 and twenty-five is a composite number with 9 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and twenty-five is a composite number with 9 total factors (including 1 and itself).

Prime Factors

5

521

Five in Base 21 Unovigesimal

29

1821

Twenty-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

5212 · 18212 = 25e421

Base Conversions

The number twenty-one thousand and twenty-five in 35 different bases