The Number

21648

Twenty-One Thousand Six Hundred and Forty-Eight

In Base 9 Nonary Is

326239

The numbers with a 9 subscript use Base 9 Nonary 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
326209
Twenty-One Thousand Six Hundred and Forty-Five in Base 9 Nonary
21646
326219
Twenty-One Thousand Six Hundred and Forty-Six in Base 9 Nonary
21647
326229
Twenty-One Thousand Six Hundred and Forty-Seven in Base 9 Nonary
21649
326249
Twenty-One Thousand Six Hundred and Forty-Nine in Base 9 Nonary
21650
326259
Twenty-One Thousand Six Hundred and Fifty in Base 9 Nonary
21651
326269
Twenty-One Thousand Six Hundred and Fifty-One in Base 9 Nonary

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.

0.0000264843243481840779

The reciprocal of 21648 in Base 9 Nonary.

Palindrome?

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

The number 326239 is 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 9 Nonary

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
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
11
129
Eleven in Base 9 Nonary
41
459
Forty-One in Base 9 Nonary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

294 · 391 · 1291 · 4591 = 326239

Base Conversions

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