The Number

2643

Two Thousand Six Hundred and Forty-Three

In Base 11 Undecimal Is

1a9311

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
2642
1a9211
Two Thousand Six Hundred and Forty-Two 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
2646
1a9611
Two Thousand Six Hundred and Forty-Six in Base 11 Undecimal

Scientific Notation

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

2.643e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00055a31422143782211

The reciprocal of 2643 in Base 11 Undecimal.

Palindrome?

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

The number 1a9311 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-three 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-three 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-three has the following 2 prime factors:

3
311
Three in Base 11 Undecimal
881
73111
Eight Hundred and Eighty-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

3111 · 731111 = 1a9311

Base Conversions

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