The Number

212821

Two Hundred and Twelve Thousand Eight Hundred and Twenty-One

In Base 12 Duodecimal Is

a31b112

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

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

Nearby Numbers

Positive, nonzero integers within three units

212818
a31aa12
Two Hundred and Twelve Thousand Eight Hundred and Eightteen in Base 12 Duodecimal
212819
a31ab12
Two Hundred and Twelve Thousand Eight Hundred and Nineteen in Base 12 Duodecimal
212820
a31b012
Two Hundred and Twelve Thousand Eight Hundred and Twenty in Base 12 Duodecimal
212822
a31b212
Two Hundred and Twelve Thousand Eight Hundred and Twenty-Two in Base 12 Duodecimal
212823
a31b312
Two Hundred and Twelve Thousand Eight Hundred and Twenty-Three in Base 12 Duodecimal
212824
a31b412
Two Hundred and Twelve 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.

2.12821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000012044841ab61691812

The reciprocal of 212821 in Base 12 Duodecimal.

Palindrome?

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

The number a31b112 is not a palindrome.

Not A Prime Number

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

Two hundred and twelve thousand eight hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Two hundred and twelve thousand eight hundred and twenty-one 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 hundred and twelve thousand eight hundred and twenty-one has the following 2 prime factors:

7
712
Seven in Base 12 Duodecimal
30403
1571712
Thirty Thousand Four Hundred and Three 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 · 15717121 = a31b112

Base Conversions

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