The Number

404240

Four Hundred and Four Thousand Two Hundred and Forty

In Base 21 Unovigesimal Is

21ddb21

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

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

Nearby Numbers

Positive, nonzero integers within three units

404237
21dd821
Four Hundred and Four Thousand Two Hundred and Thirty-Seven in Base 21 Unovigesimal
404238
21dd921
Four Hundred and Four Thousand Two Hundred and Thirty-Eight in Base 21 Unovigesimal
404239
21dda21
Four Hundred and Four Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
404241
21ddc21
Four Hundred and Four Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
404242
21ddd21
Four Hundred and Four Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
404243
21dde21
Four Hundred and Four 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.

4.04240e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a23a79hah524e21

The reciprocal of 404240 in Base 21 Unovigesimal.

Palindrome?

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

The number 21ddb21 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 four thousand two hundred and forty is a composite number with 40 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 four thousand two hundred and forty is a composite number with 40 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 four thousand two hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
163
7g21
One Hundred and Sixty-Three 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 · 5211 · 1a211 · 7g211 = 21ddb21

Base Conversions

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