The Number

2642

Two Thousand Six Hundred and Forty-Two

In Base 11 Undecimal Is

1a9211

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

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

Nearby Numbers

Positive, nonzero integers within three units

2639
1a8a11
Two Thousand Six Hundred and Thirty-Nine in Base 11 Undecimal
2640
1a9011
Two Thousand Six Hundred and Forty in Base 11 Undecimal
2641
1a9111
Two Thousand Six Hundred and Forty-One in Base 11 Undecimal
2643
1a9311
Two Thousand Six Hundred and Forty-Three in Base 11 Undecimal
2644
1a9411
Two Thousand Six Hundred and Forty-Four in Base 11 Undecimal
2645
1a9511
Two Thousand Six Hundred and Forty-Five in Base 11 Undecimal

Scientific Notation

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

2.642e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00055a5a0973315393611

The reciprocal of 2642 in Base 11 Undecimal.

Palindrome?

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

The number 1a9211 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two thousand six hundred and forty-two 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.

Two thousand six hundred and forty-two 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 two thousand six hundred and forty-two has the following 2 prime factors:

2
211
Two in Base 11 Undecimal
1321
aa111
One Thousand Three Hundred and Twenty-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

2111 · aa1111 = 1a9211

Base Conversions

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