Nearby Numbers

Positive, nonzero integers within three units

21827

9c2013

Twenty-One Thousand Eight Hundred and Twenty-Seven in Base 13 Tridecimal

21828

9c2113

Twenty-One Thousand Eight Hundred and Twenty-Eight in Base 13 Tridecimal

21829

9c2213

Twenty-One Thousand Eight Hundred and Twenty-Nine in Base 13 Tridecimal

21831

9c2413

Twenty-One Thousand Eight Hundred and Thirty-One in Base 13 Tridecimal

21832

9c2513

Twenty-One Thousand Eight Hundred and Thirty-Two in Base 13 Tridecimal

21833

9c2613

Twenty-One Thousand Eight Hundred and Thirty-Three in Base 13 Tridecimal

Scientific Notation

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

2.1830e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00014015556c34b97713

The reciprocal of 21830 in Base 13 Tridecimal.

Palindrome?

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

The number 9c2313 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 eight hundred and thirty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and thirty is a composite number with 16 total factors (including 1 and itself).

Prime Factors

2

213

Two in Base 13 Tridecimal

5

513

Five in Base 13 Tridecimal

37

2b13

Thirty-Seven in Base 13 Tridecimal

59

4713

Fifty-Nine in Base 13 Tridecimal

Prime Factorization

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

2131 · 5131 · 2b131 · 47131 = 9c2313

Base Conversions

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