The Number

405240

Four Hundred and Five Thousand Two Hundred and Forty

In Base 21 Unovigesimal Is

21fj321

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

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

Nearby Numbers

Positive, nonzero integers within three units

405237
21fj021
Four Hundred and Five Thousand Two Hundred and Thirty-Seven in Base 21 Unovigesimal
405238
21fj121
Four Hundred and Five Thousand Two Hundred and Thirty-Eight in Base 21 Unovigesimal
405239
21fj221
Four Hundred and Five Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
405241
21fj421
Four Hundred and Five Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
405242
21fj521
Four Hundred and Five Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
405243
21fj621
Four Hundred and Five Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

4.05240e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a1da9gihag03921

The reciprocal of 405240 in Base 21 Unovigesimal.

Palindrome?

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

The number 21fj321 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 five thousand two hundred and forty is a composite number with 64 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 five thousand two hundred and forty is a composite number with 64 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 five thousand two hundred and forty has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
307
ed21
Three Hundred and 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

2213 · 3211 · 5211 · b211 · ed211 = 21fj321

Base Conversions

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