The Number

42690

Forty-Two Thousand Six Hundred and Ninety

In Base 21 Unovigesimal Is

4cgi21

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

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

Nearby Numbers

Positive, nonzero integers within three units

42687
4cgf21
Forty-Two Thousand Six Hundred and Eighty-Seven in Base 21 Unovigesimal
42688
4cgg21
Forty-Two Thousand Six Hundred and Eighty-Eight in Base 21 Unovigesimal
42689
4cgh21
Forty-Two Thousand Six Hundred and Eighty-Nine in Base 21 Unovigesimal
42691
4cgj21
Forty-Two Thousand Six Hundred and Ninety-One in Base 21 Unovigesimal
42692
4cgk21
Forty-Two Thousand Six Hundred and Ninety-Two in Base 21 Unovigesimal
42693
4ch021
Forty-Two Thousand Six Hundred and Ninety-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.

4.2690e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004be0jfbi1b98621

The reciprocal of 42690 in Base 21 Unovigesimal.

Palindrome?

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

The number 4cgi21 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 six hundred and ninety is a composite number with 16 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 six hundred and ninety 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 six hundred and ninety 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
1423
34g21
One Thousand Four Hundred and Twenty-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 · 3211 · 5211 · 34g211 = 4cgi21

Base Conversions

The number forty-two thousand six hundred and ninety in 35 different bases