The Number

42121

Forty-Two Thousand One Hundred and Twenty-One

In Base 21 Unovigesimal Is

4bag21

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

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

Nearby Numbers

Positive, nonzero integers within three units

42118
4bad21
Forty-Two Thousand One Hundred and Eightteen in Base 21 Unovigesimal
42119
4bae21
Forty-Two Thousand One Hundred and Nineteen in Base 21 Unovigesimal
42120
4baf21
Forty-Two Thousand One Hundred and Twenty in Base 21 Unovigesimal
42122
4bah21
Forty-Two Thousand One Hundred and Twenty-Two in Base 21 Unovigesimal
42123
4bai21
Forty-Two Thousand One Hundred and Twenty-Three in Base 21 Unovigesimal
42124
4baj21
Forty-Two Thousand One Hundred and Twenty-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.

4.2121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004ck3i65b8a03f21

The reciprocal of 42121 in Base 21 Unovigesimal.

Palindrome?

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

The number 4bag21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Forty-two thousand one hundred and twenty-one 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.

Forty-two thousand one hundred and twenty-one 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 forty-two thousand one hundred and twenty-one has the following 2 prime factors:

73
3a21
Seventy-Three in Base 21 Unovigesimal
577
16a21
Five Hundred and Seventy-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

3a211 · 16a211 = 4bag21

Base Conversions

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