The Number

42138

Forty-Two Thousand One Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

4bbc21

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

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

Nearby Numbers

Positive, nonzero integers within three units

42135
4bb921
Forty-Two Thousand One Hundred and Thirty-Five in Base 21 Unovigesimal
42136
4bba21
Forty-Two Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
42137
4bbb21
Forty-Two Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
42139
4bbd21
Forty-Two Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
42140
4bbe21
Forty-Two Thousand One Hundred and Forty in Base 21 Unovigesimal
42141
4bbf21
Forty-Two Thousand One Hundred and Forty-One in Base 21 Unovigesimal

Scientific Notation

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

4.2138e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004cj7d0d1jg9k21

The reciprocal of 42138 in Base 21 Unovigesimal.

Palindrome?

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

The number 4bbc21 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 thirty-eight is a composite number with 12 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 thirty-eight is a composite number with 12 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 thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
2341
56a21
Two Thousand Three Hundred and Forty-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 · 3212 · 56a211 = 4bbc21

Base Conversions

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