The Number

42831

Forty-Two Thousand Eight Hundred and Thirty-One

In Base 11 Undecimal Is

2a1a811

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

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

Nearby Numbers

Positive, nonzero integers within three units

42828
2a1a511
Forty-Two Thousand Eight Hundred and Twenty-Eight in Base 11 Undecimal
42829
2a1a611
Forty-Two Thousand Eight Hundred and Twenty-Nine in Base 11 Undecimal
42830
2a1a711
Forty-Two Thousand Eight Hundred and Thirty in Base 11 Undecimal
42832
2a1a911
Forty-Two Thousand Eight Hundred and Thirty-Two in Base 11 Undecimal
42833
2a1aa11
Forty-Two Thousand Eight Hundred and Thirty-Three in Base 11 Undecimal
42834
2a20011
Forty-Two Thousand Eight Hundred and Thirty-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.

4.2831e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000383a83a8024050111

The reciprocal of 42831 in Base 11 Undecimal.

Palindrome?

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

The number 2a1a811 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 thirty-one is a composite number with 6 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 thirty-one is a composite number with 6 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 thirty-one has the following 2 prime factors:

3
311
Three in Base 11 Undecimal
4759
363711
Four Thousand Seven Hundred and Fifty-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

3112 · 3637111 = 2a1a811

Base Conversions

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