The Number

42845

Forty-Two Thousand Eight Hundred and Forty-Five

In Base 11 Undecimal Is

2a21011

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

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

Nearby Numbers

Positive, nonzero integers within three units

42842
2a20811
Forty-Two Thousand Eight Hundred and Forty-Two in Base 11 Undecimal
42843
2a20911
Forty-Two Thousand Eight Hundred and Forty-Three in Base 11 Undecimal
42844
2a20a11
Forty-Two Thousand Eight Hundred and Forty-Four in Base 11 Undecimal
42846
2a21111
Forty-Two Thousand Eight Hundred and Forty-Six in Base 11 Undecimal
42847
2a21211
Forty-Two Thousand Eight Hundred and Forty-Seven in Base 11 Undecimal
42848
2a21311
Forty-Two Thousand Eight Hundred and Forty-Eight in Base 11 Undecimal

Scientific Notation

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

4.2845e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000038391410921705a511

The reciprocal of 42845 in Base 11 Undecimal.

Palindrome?

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

The number 2a21011 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 forty-five 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 eight hundred and forty-five 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 eight hundred and forty-five has the following 4 prime factors:

5
511
Five in Base 11 Undecimal
11
1011
Eleven in Base 11 Undecimal
19
1811
Nineteen in Base 11 Undecimal
41
3811
Forty-One in Base 11 Undecimal

Prime Factorization

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

5111 · 10111 · 18111 · 38111 = 2a21011

Base Conversions

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