The Number

402128

Four Hundred and Two Thousand One Hundred and Twenty-Eight

In Base 21 Unovigesimal Is

218hk21

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

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

Nearby Numbers

Positive, nonzero integers within three units

402125
218hh21
Four Hundred and Two Thousand One Hundred and Twenty-Five in Base 21 Unovigesimal
402126
218hi21
Four Hundred and Two Thousand One Hundred and Twenty-Six in Base 21 Unovigesimal
402127
218hj21
Four Hundred and Two Thousand One Hundred and Twenty-Seven in Base 21 Unovigesimal
402129
218i021
Four Hundred and Two Thousand One Hundred and Twenty-Nine in Base 21 Unovigesimal
402130
218i121
Four Hundred and Two Thousand One Hundred and Thirty in Base 21 Unovigesimal
402131
218i221
Four Hundred and Two Thousand One Hundred and Thirty-One in Base 21 Unovigesimal

Scientific Notation

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

4.02128e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a35ig1ke5741821

The reciprocal of 402128 in Base 21 Unovigesimal.

Palindrome?

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

The number 218hk21 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 one hundred and twenty-eight is a composite number with 20 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 one hundred and twenty-eight is a composite number with 20 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 one hundred and twenty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
613
18421
Six Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

2214 · 1k211 · 184211 = 218hk21

Base Conversions

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