The Number

21164

Twenty-One Thousand One Hundred and Sixty-Four

In Base 11 Undecimal Is

149a011

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

For more familiar numbers: See Twenty-One Thousand One Hundred and Sixty-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21161
1499811
Twenty-One Thousand One Hundred and Sixty-One in Base 11 Undecimal
21162
1499911
Twenty-One Thousand One Hundred and Sixty-Two in Base 11 Undecimal
21163
1499a11
Twenty-One Thousand One Hundred and Sixty-Three in Base 11 Undecimal
21165
149a111
Twenty-One Thousand One Hundred and Sixty-Five in Base 11 Undecimal
21166
149a211
Twenty-One Thousand One Hundred and Sixty-Six in Base 11 Undecimal
21167
149a311
Twenty-One Thousand One Hundred and Sixty-Seven in Base 11 Undecimal

Scientific Notation

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

2.1164e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007678515a100076811

The reciprocal of 21164 in Base 11 Undecimal.

Palindrome?

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

The number 149a011 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 one hundred and sixty-four is a composite number with 24 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 one hundred and sixty-four is a composite number with 24 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 one hundred and sixty-four has the following 4 prime factors:

2
211
Two in Base 11 Undecimal
11
1011
Eleven in Base 11 Undecimal
13
1211
Thirteen in Base 11 Undecimal
37
3411
Thirty-Seven in Base 11 Undecimal

Prime Factorization

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

2112 · 10111 · 12111 · 34111 = 149a011

Base Conversions

The number twenty-one thousand one hundred and sixty-four in 35 different bases