The Number

21648

Twenty-One Thousand Six Hundred and Forty-Eight

In Base 11 Undecimal Is

152a011

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

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

Nearby Numbers

Positive, nonzero integers within three units

21645
1529811
Twenty-One Thousand Six Hundred and Forty-Five in Base 11 Undecimal
21646
1529911
Twenty-One Thousand Six Hundred and Forty-Six in Base 11 Undecimal
21647
1529a11
Twenty-One Thousand Six Hundred and Forty-Seven in Base 11 Undecimal
21649
152a111
Twenty-One Thousand Six Hundred and Forty-Nine in Base 11 Undecimal
21650
152a211
Twenty-One Thousand Six Hundred and Fifty in Base 11 Undecimal
21651
152a311
Twenty-One Thousand Six Hundred and Fifty-One in Base 11 Undecimal

Scientific Notation

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

2.1648e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000749202174246935411

The reciprocal of 21648 in Base 11 Undecimal.

Palindrome?

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

The number 152a011 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand six hundred and forty-eight is a composite number with 40 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand six hundred and forty-eight is a composite number with 40 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 twenty-one thousand six hundred and forty-eight has the following 4 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
11
1011
Eleven 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

2114 · 3111 · 10111 · 38111 = 152a011

Base Conversions

The number twenty-one thousand six hundred and forty-eight in 35 different bases