The Number

42865

Forty-Two Thousand Eight Hundred and Sixty-Five

In Base 11 Undecimal Is

2a22911

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

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

Nearby Numbers

Positive, nonzero integers within three units

42862
2a22611
Forty-Two Thousand Eight Hundred and Sixty-Two in Base 11 Undecimal
42863
2a22711
Forty-Two Thousand Eight Hundred and Sixty-Three in Base 11 Undecimal
42864
2a22811
Forty-Two Thousand Eight Hundred and Sixty-Four in Base 11 Undecimal
42866
2a22a11
Forty-Two Thousand Eight Hundred and Sixty-Six in Base 11 Undecimal
42867
2a23011
Forty-Two Thousand Eight Hundred and Sixty-Seven in Base 11 Undecimal
42868
2a23111
Forty-Two Thousand Eight Hundred and Sixty-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.

4.2865e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000383687704670a3911

The reciprocal of 42865 in Base 11 Undecimal.

Palindrome?

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

The number 2a22911 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 sixty-five is a composite number with 4 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 sixty-five is a composite number with 4 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 sixty-five has the following 2 prime factors:

5
511
Five in Base 11 Undecimal
8573
649411
Eight Thousand Five Hundred and Seventy-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

5111 · 6494111 = 2a22911

Base Conversions

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