The Number

404242

Four Hundred and Four Thousand Two Hundred and Forty-Two

In Base 21 Unovigesimal Is

21ddd21

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-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

404239
21dda21
Four Hundred and Four Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
404240
21ddb21
Four Hundred and Four Thousand Two Hundred and Forty in Base 21 Unovigesimal
404241
21ddc21
Four Hundred and Four Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
404243
21dde21
Four Hundred and Four Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
404244
21ddf21
Four Hundred and Four Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
404245
21ddg21
Four Hundred and Four Thousand Two 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.

4.04242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a239ife935bdc21

The reciprocal of 404242 in Base 21 Unovigesimal.

Palindrome?

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

The number 21ddd21 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-two is a composite number with 4 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-two is a composite number with 4 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-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
202121
10h6h21
Two Hundred and Two Thousand One Hundred and Twenty-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

2211 · 10h6h211 = 21ddd21

Base Conversions

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