The Number

2801

Two Thousand Eight Hundred and One

In Base 21 Unovigesimal Is

67821

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

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

Nearby Numbers

Positive, nonzero integers within three units

2798
67521
Two Thousand Seven Hundred and Ninety-Eight in Base 21 Unovigesimal
2799
67621
Two Thousand Seven Hundred and Ninety-Nine in Base 21 Unovigesimal
2800
67721
Two Thousand Eight Hundred in Base 21 Unovigesimal
2802
67921
Two Thousand Eight Hundred and Two in Base 21 Unovigesimal
2803
67a21
Two Thousand Eight Hundred and Three in Base 21 Unovigesimal
2804
67b21
Two Thousand Eight Hundred and Four in Base 21 Unovigesimal

Scientific Notation

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

2.801e3

Reciprocal

A number multiplied with its reciprocal is one.

0.003691h5931eihi21

The reciprocal of 2801 in Base 21 Unovigesimal.

Palindrome?

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

The number 67821 is not a palindrome.

A Prime Number

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

Two thousand eight hundred and one is the 408th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Two Thousand Eight Hundred and One is not a composite number because it has exactly two factors: One and Two Thousand Eight Hundred and One

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 one has the following 1 prime factor:

2801
67821
Two Thousand Eight Hundred and 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

678211 = 67821

Base Conversions

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