The Number

42665

Forty-Two Thousand Six Hundred and Sixty-Five

In Base 11 Undecimal Is

2a06711

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

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

Nearby Numbers

Positive, nonzero integers within three units

42662
2a06411
Forty-Two Thousand Six Hundred and Sixty-Two in Base 11 Undecimal
42663
2a06511
Forty-Two Thousand Six Hundred and Sixty-Three in Base 11 Undecimal
42664
2a06611
Forty-Two Thousand Six Hundred and Sixty-Four in Base 11 Undecimal
42666
2a06811
Forty-Two Thousand Six Hundred and Sixty-Six in Base 11 Undecimal
42667
2a06911
Forty-Two Thousand Six Hundred and Sixty-Seven in Base 11 Undecimal
42668
2a06a11
Forty-Two Thousand Six 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.

4.2665e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000038582615565aa56511

The reciprocal of 42665 in Base 11 Undecimal.

Palindrome?

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

The number 2a06711 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 six hundred and sixty-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 six hundred and sixty-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 six hundred and sixty-five has the following 4 prime factors:

5
511
Five in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal
23
2111
Twenty-Three in Base 11 Undecimal
53
4911
Fifty-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 · 7111 · 21111 · 49111 = 2a06711

Base Conversions

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