The Number

42891

Forty-Two Thousand Eight Hundred and Ninety-One

In Base 11 Undecimal Is

2a25211

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42888
2a24a11
Forty-Two Thousand Eight Hundred and Eighty-Eight in Base 11 Undecimal
42889
2a25011
Forty-Two Thousand Eight Hundred and Eighty-Nine in Base 11 Undecimal
42890
2a25111
Forty-Two Thousand Eight Hundred and Ninety in Base 11 Undecimal
42892
2a25311
Forty-Two Thousand Eight Hundred and Ninety-Two in Base 11 Undecimal
42893
2a25411
Forty-Two Thousand Eight Hundred and Ninety-Three in Base 11 Undecimal
42894
2a25511
Forty-Two Thousand Eight Hundred and Ninety-Four in Base 11 Undecimal

Scientific Notation

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

4.2891e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000038338392477631111

The reciprocal of 42891 in Base 11 Undecimal.

Palindrome?

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

The number 2a25211 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 eight hundred and ninety-one is a composite number with 12 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 eight hundred and ninety-one 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 eight hundred and ninety-one has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
17
1611
Seventeen in Base 11 Undecimal
29
2711
Twenty-Nine in Base 11 Undecimal

Prime Factorization

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

3111 · 16111 · 27112 = 2a25211

Base Conversions

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