The Number

42105

Forty-Two Thousand One Hundred and Five

In Base 31 Untrigesimal Is

1cp731

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42102
1cp431
Forty-Two Thousand One Hundred and Two in Base 31 Untrigesimal
42103
1cp531
Forty-Two Thousand One Hundred and Three in Base 31 Untrigesimal
42104
1cp631
Forty-Two Thousand One Hundred and Four in Base 31 Untrigesimal
42106
1cp831
Forty-Two Thousand One Hundred and Six in Base 31 Untrigesimal
42107
1cp931
Forty-Two Thousand One Hundred and Seven in Base 31 Untrigesimal
42108
1cpa31
Forty-Two Thousand One Hundred and Eight in Base 31 Untrigesimal

Scientific Notation

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

4.2105e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000lstakmu3u8931

The reciprocal of 42105 in Base 31 Untrigesimal.

Palindrome?

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

The number 1cp731 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 five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand one hundred and five is a composite number with 16 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 five has the following 4 prime factors:

3
331
Three in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
7
731
Seven in Base 31 Untrigesimal
401
ct31
Four Hundred and One in Base 31 Untrigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3311 · 5311 · 7311 · ct311 = 1cp731

Base Conversions

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