The Number

408142

Four Hundred and Eight Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

221a721

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

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

Nearby Numbers

Positive, nonzero integers within three units

408139
221a421
Four Hundred and Eight Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
408140
221a521
Four Hundred and Eight Thousand One Hundred and Forty in Base 21 Unovigesimal
408141
221a621
Four Hundred and Eight Thousand One Hundred and Forty-One in Base 21 Unovigesimal
408143
221a821
Four Hundred and Eight Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
408144
221a921
Four Hundred and Eight Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
408145
221aa21
Four Hundred and Eight Thousand One 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.

4.08142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a02ihach8hdj21

The reciprocal of 408142 in Base 21 Unovigesimal.

Palindrome?

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

The number 221a721 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 eight thousand one 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 eight thousand one 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 eight thousand one hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
29153
332521
Twenty-Nine Thousand One Hundred and Fifty-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

2211 · 7211 · 3325211 = 221a721

Base Conversions

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