The Number

21649

Twenty-One Thousand Six Hundred and Forty-Nine

In Base 12 Duodecimal Is

1064112

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21646
1063a12
Twenty-One Thousand Six Hundred and Forty-Six in Base 12 Duodecimal
21647
1063b12
Twenty-One Thousand Six Hundred and Forty-Seven in Base 12 Duodecimal
21648
1064012
Twenty-One Thousand Six Hundred and Forty-Eight in Base 12 Duodecimal
21650
1064212
Twenty-One Thousand Six Hundred and Fifty in Base 12 Duodecimal
21651
1064312
Twenty-One Thousand Six Hundred and Fifty-One in Base 12 Duodecimal
21652
1064412
Twenty-One Thousand Six Hundred and Fifty-Two in Base 12 Duodecimal

Scientific Notation

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

2.1649e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b5b1606702ba09212

The reciprocal of 21649 in Base 12 Duodecimal.

Palindrome?

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

The number 1064112 is not a palindrome.

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-nine is the 2431st prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Six Hundred and Forty-Nine is not a composite number because it has exactly two factors: One and Twenty-One Thousand Six Hundred and Forty-Nine

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-nine has the following 1 prime factor:

21649
1064112
Twenty-One Thousand Six Hundred and Forty-Nine in Base 12 Duodecimal

Prime Factorization

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

10641121 = 1064112

Base Conversions

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