The Number

2813

Two Thousand Eight Hundred and Thirteen

In Base 21 Unovigesimal Is

67k21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Two Thousand Eight Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

2810
67h21
Two Thousand Eight Hundred and Ten in Base 21 Unovigesimal
2811
67i21
Two Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
2812
67j21
Two Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
2814
68021
Two Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
2815
68121
Two Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal
2816
68221
Two Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal

Scientific Notation

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

2.813e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00362i448gkh1eb21

The reciprocal of 2813 in Base 21 Unovigesimal.

Palindrome?

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

The number 67k21 is not a palindrome.

Not A Prime Number

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

Two thousand eight hundred and thirteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two thousand eight hundred and thirteen is a composite number with 4 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 two thousand eight hundred and thirteen has the following 2 prime factors:

29
1821
Twenty-Nine in Base 21 Unovigesimal
97
4d21
Ninety-Seven in Base 21 Unovigesimal

Prime Factorization

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

18211 · 4d211 = 67k21

Base Conversions

The number two thousand eight hundred and thirteen in 35 different bases