The Number

42990

Forty-Two Thousand Nine Hundred and Ninety

In Base 11 Undecimal Is

2a33211

The numbers with a 11 subscript use Base 11 Undecimal 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
2a32a11
Forty-Two Thousand Nine Hundred and Eighty-Seven in Base 11 Undecimal
42988
2a33011
Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 11 Undecimal
42989
2a33111
Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 11 Undecimal
42991
2a33311
Forty-Two Thousand Nine Hundred and Ninety-One in Base 11 Undecimal
42992
2a33411
Forty-Two Thousand Nine Hundred and Ninety-Two in Base 11 Undecimal
42993
2a33511
Forty-Two Thousand Nine Hundred and Ninety-Three in Base 11 Undecimal

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.

0.0000382328260443698511

The reciprocal of 42990 in Base 11 Undecimal.

Palindrome?

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

The number 2a33211 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 11 Undecimal

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
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
1433
109311
One Thousand Four Hundred and Thirty-Three in Base 11 Undecimal

Prime Factorization

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

2111 · 3111 · 5111 · 1093111 = 2a33211

Base Conversions

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