The Number

42120

Forty-Two Thousand One Hundred and Twenty

In Base 21 Unovigesimal Is

4baf21

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

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

Nearby Numbers

Positive, nonzero integers within three units

42117
4bac21
Forty-Two Thousand One Hundred and Seventeen in Base 21 Unovigesimal
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
42121
4bag21
Forty-Two Thousand One Hundred and Twenty-One 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

Scientific Notation

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

4.2120e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004ck4ick4ick521

The reciprocal of 42120 in Base 21 Unovigesimal.

Palindrome?

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

The number 4baf21 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 is a composite number with 80 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 is a composite number with 80 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 has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
13
d21
Thirteen 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 · 3214 · 5211 · d211 = 4baf21

Base Conversions

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