The Number

401

Four Hundred and One

In Base 21 Unovigesimal Is

j221

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

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

Nearby Numbers

Positive, nonzero integers within three units

398
ik21
Three Hundred and Ninety-Eight in Base 21 Unovigesimal
399
j021
Three Hundred and Ninety-Nine in Base 21 Unovigesimal
400
j121
Four Hundred in Base 21 Unovigesimal
402
j321
Four Hundred and Two in Base 21 Unovigesimal
403
j421
Four Hundred and Three in Base 21 Unovigesimal
404
j521
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.

4.01e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0121kgcd0hcahe21

The reciprocal of 401 in Base 21 Unovigesimal.

Palindrome?

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

The number j221 is not a palindrome.

A Prime Number

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

Four hundred and one is the 79th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Four Hundred and One is not a composite number because it has exactly two factors: One and 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 four hundred and one has the following 1 prime factor:

401
j221
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

j2211 = j221

Base Conversions

The number four hundred and one in 35 different bases