The Number

42990

Forty-Two Thousand Nine Hundred and Ninety

In Base 28 Octovigesimal Is

1qna28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42987
1qn728
Forty-Two Thousand Nine Hundred and Eighty-Seven in Base 28 Octovigesimal
42988
1qn828
Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 28 Octovigesimal
42989
1qn928
Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 28 Octovigesimal
42991
1qnb28
Forty-Two Thousand Nine Hundred and Ninety-One in Base 28 Octovigesimal
42992
1qnc28
Forty-Two Thousand Nine Hundred and Ninety-Two in Base 28 Octovigesimal
42993
1qnd28
Forty-Two Thousand Nine Hundred and Ninety-Three in Base 28 Octovigesimal

Scientific Notation

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

4.2990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e89a0ki0q9b28

The reciprocal of 42990 in Base 28 Octovigesimal.

Palindrome?

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

The number 1qna28 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 nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand nine 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 nine hundred and ninety has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
1433
1n528
One Thousand Four Hundred and Thirty-Three in Base 28 Octovigesimal

Prime Factorization

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

2281 · 3281 · 5281 · 1n5281 = 1qna28

Base Conversions

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