The Number

402021

Four Hundred and Two Thousand and Twenty-One

In Base 21 Unovigesimal Is

218ci21

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

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

Nearby Numbers

Positive, nonzero integers within three units

402018
218cf21
Four Hundred and Two Thousand and Eightteen in Base 21 Unovigesimal
402019
218cg21
Four Hundred and Two Thousand and Nineteen in Base 21 Unovigesimal
402020
218ch21
Four Hundred and Two Thousand and Twenty in Base 21 Unovigesimal
402022
218cj21
Four Hundred and Two Thousand and Twenty-Two in Base 21 Unovigesimal
402023
218ck21
Four Hundred and Two Thousand and Twenty-Three in Base 21 Unovigesimal
402024
218d021
Four Hundred and Two Thousand and Twenty-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.

4.02021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a371gghgedka21

The reciprocal of 402021 in Base 21 Unovigesimal.

Palindrome?

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

The number 218ci21 is not a palindrome.

Not A Prime Number

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

Four hundred and two thousand and twenty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and two thousand and twenty-one is a composite number with 12 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 four hundred and two thousand and twenty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
2351
56k21
Two Thousand Three Hundred and Fifty-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

3212 · j211 · 56k211 = 218ci21

Base Conversions

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