The Number

21401

Twenty-One Thousand Four Hundred and One

In Base 21 Unovigesimal Is

26b221

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

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

Nearby Numbers

Positive, nonzero integers within three units

21398
26ak21
Twenty-One Thousand Three Hundred and Ninety-Eight in Base 21 Unovigesimal
21399
26b021
Twenty-One Thousand Three Hundred and Ninety-Nine in Base 21 Unovigesimal
21400
26b121
Twenty-One Thousand Four Hundred in Base 21 Unovigesimal
21402
26b321
Twenty-One Thousand Four Hundred and Two in Base 21 Unovigesimal
21403
26b421
Twenty-One Thousand Four Hundred and Three in Base 21 Unovigesimal
21404
26b521
Twenty-One Thousand Four Hundred and Four in Base 21 Unovigesimal

Scientific Notation

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

2.1401e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00091hc1ff2i87821

The reciprocal of 21401 in Base 21 Unovigesimal.

Palindrome?

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

The number 26b221 is not a palindrome.

A Prime Number

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

Twenty-one thousand four hundred and one is the 2403rd prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Four Hundred and One is not a composite number because it has exactly two factors: One and Twenty-One Thousand Four Hundred and One

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 one has the following 1 prime factor:

21401
26b221
Twenty-One Thousand Four Hundred and One in Base 21 Unovigesimal

Prime Factorization

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

26b2211 = 26b221

Base Conversions

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