The Number

409981

Four Hundred and Nine Thousand Nine Hundred and Eighty-One

In Base 21 Unovigesimal Is

225dj21

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

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

Nearby Numbers

Positive, nonzero integers within three units

409978
225dg21
Four Hundred and Nine Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
409979
225dh21
Four Hundred and Nine Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
409980
225di21
Four Hundred and Nine Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
409982
225dk21
Four Hundred and Nine Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
409983
225e021
Four Hundred and Nine Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
409984
225e121
Four Hundred and Nine Thousand Nine Hundred and Eighty-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.

4.09981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009k4233j38a5h21

The reciprocal of 409981 in Base 21 Unovigesimal.

Palindrome?

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

The number 225dj21 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 eighty-one is a composite number with 16 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 eighty-one is a composite number with 16 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 eighty-one has the following 4 prime factors:

11
b21
Eleven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
61
2j21
Sixty-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

b211 · d211 · 25211 · 2j211 = 225dj21

Base Conversions

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