The Number

13821

Thirteen Thousand Eight Hundred and Twenty-One

In Base 11 Undecimal Is

a42511

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

13818
a42211
Thirteen Thousand Eight Hundred and Eightteen in Base 11 Undecimal
13819
a42311
Thirteen Thousand Eight Hundred and Nineteen in Base 11 Undecimal
13820
a42411
Thirteen Thousand Eight Hundred and Twenty in Base 11 Undecimal
13822
a42611
Thirteen Thousand Eight Hundred and Twenty-Two in Base 11 Undecimal
13823
a42711
Thirteen Thousand Eight Hundred and Twenty-Three in Base 11 Undecimal
13824
a42811
Thirteen Thousand Eight Hundred and Twenty-Four in Base 11 Undecimal

Scientific Notation

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

1.3821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001071a717a54a426111

The reciprocal of 13821 in Base 11 Undecimal.

Palindrome?

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

The number a42511 is not a palindrome.

Not A Prime Number

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

Thirteen thousand eight hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

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

3
311
Three in Base 11 Undecimal
17
1611
Seventeen in Base 11 Undecimal
271
22711
Two Hundred and Seventy-One in Base 11 Undecimal

Prime Factorization

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

3111 · 16111 · 227111 = a42511

Base Conversions

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