The Number

1802

One Thousand Eight Hundred and Two

In Base 21 Unovigesimal Is

41h21

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

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

Nearby Numbers

Positive, nonzero integers within three units

1799
41e21
One Thousand Seven Hundred and Ninety-Nine in Base 21 Unovigesimal
1800
41f21
One Thousand Eight Hundred in Base 21 Unovigesimal
1801
41g21
One Thousand Eight Hundred and One in Base 21 Unovigesimal
1803
41i21
One Thousand Eight Hundred and Three in Base 21 Unovigesimal
1804
41j21
One Thousand Eight Hundred and Four in Base 21 Unovigesimal
1805
41k21
One Thousand Eight Hundred and Five in Base 21 Unovigesimal

Scientific Notation

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

1.802e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0052j8k4283bda521

The reciprocal of 1802 in Base 21 Unovigesimal.

Palindrome?

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

The number 41h21 is not a palindrome.

Not A Prime Number

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

One thousand eight hundred and two 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.

One thousand eight hundred and two 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 one thousand eight hundred and two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
53
2b21
Fifty-Three 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 · h211 · 2b211 = 41h21

Base Conversions

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