The Number

409942

Four Hundred and Nine Thousand Nine Hundred and Forty-Two

In Base 21 Unovigesimal Is

225c121

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

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

Nearby Numbers

Positive, nonzero integers within three units

409939
225bj21
Four Hundred and Nine Thousand Nine Hundred and Thirty-Nine in Base 21 Unovigesimal
409940
225bk21
Four Hundred and Nine Thousand Nine Hundred and Forty in Base 21 Unovigesimal
409941
225c021
Four Hundred and Nine Thousand Nine Hundred and Forty-One in Base 21 Unovigesimal
409943
225c221
Four Hundred and Nine Thousand Nine Hundred and Forty-Three in Base 21 Unovigesimal
409944
225c321
Four Hundred and Nine Thousand Nine Hundred and Forty-Four in Base 21 Unovigesimal
409945
225c421
Four Hundred and Nine Thousand Nine Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

4.09942e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009k4aja99jj3321

The reciprocal of 409942 in Base 21 Unovigesimal.

Palindrome?

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

The number 225c121 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 nine thousand nine hundred and forty-two is a composite number with 8 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 nine thousand nine hundred and forty-two is a composite number with 8 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 nine thousand nine hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
15767
1efh21
Fifteen Thousand Seven Hundred and Sixty-Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · d211 · 1efh211 = 225c121

Base Conversions

The number four hundred and nine thousand nine hundred and forty-two in 35 different bases