The Number

2821

Two Thousand Eight Hundred and Twenty-One

In Base 12 Duodecimal Is

177112

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

2818
176a12
Two Thousand Eight Hundred and Eightteen in Base 12 Duodecimal
2819
176b12
Two Thousand Eight Hundred and Nineteen in Base 12 Duodecimal
2820
177012
Two Thousand Eight Hundred and Twenty in Base 12 Duodecimal
2822
177212
Two Thousand Eight Hundred and Twenty-Two in Base 12 Duodecimal
2823
177312
Two Thousand Eight Hundred and Twenty-Three in Base 12 Duodecimal
2824
177412
Two Thousand Eight Hundred and Twenty-Four in Base 12 Duodecimal

Scientific Notation

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

2.821e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0007425988a9550bbb12

The reciprocal of 2821 in Base 12 Duodecimal.

Palindrome?

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

The number 177112 is 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 twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Two thousand eight hundred and twenty-one 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 twenty-one has the following 3 prime factors:

7
712
Seven in Base 12 Duodecimal
13
1112
Thirteen in Base 12 Duodecimal
31
2712
Thirty-One in Base 12 Duodecimal

Prime Factorization

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

7121 · 11121 · 27121 = 177112

Base Conversions

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