The Number

2806

Two Thousand Eight Hundred and Six

In Base 21 Unovigesimal Is

67d21

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

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

Nearby Numbers

Positive, nonzero integers within three units

2803
67a21
Two Thousand Eight Hundred and Three in Base 21 Unovigesimal
2804
67b21
Two Thousand Eight Hundred and Four in Base 21 Unovigesimal
2805
67c21
Two Thousand Eight Hundred and Five in Base 21 Unovigesimal
2807
67e21
Two Thousand Eight Hundred and Seven in Base 21 Unovigesimal
2808
67f21
Two Thousand Eight Hundred and Eight in Base 21 Unovigesimal
2809
67g21
Two Thousand Eight Hundred and Nine in Base 21 Unovigesimal

Scientific Notation

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

2.806e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00366a59ici39321

The reciprocal of 2806 in Base 21 Unovigesimal.

Palindrome?

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

The number 67d21 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 six is a composite number with 8 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 six is a composite number with 8 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 six has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
61
2j21
Sixty-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · 12211 · 2j211 = 67d21

Base Conversions

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