The Number

13851

Thirteen Thousand Eight Hundred and Fifty-One

In Base 21 Unovigesimal Is

1a8c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

13848
1a8921
Thirteen Thousand Eight Hundred and Forty-Eight in Base 21 Unovigesimal
13849
1a8a21
Thirteen Thousand Eight Hundred and Forty-Nine in Base 21 Unovigesimal
13850
1a8b21
Thirteen Thousand Eight Hundred and Fifty in Base 21 Unovigesimal
13852
1a8d21
Thirteen Thousand Eight Hundred and Fifty-Two in Base 21 Unovigesimal
13853
1a8e21
Thirteen Thousand Eight Hundred and Fifty-Three in Base 21 Unovigesimal
13854
1a8f21
Thirteen Thousand Eight Hundred and Fifty-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.

1.3851e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e0i1248he7f921

The reciprocal of 13851 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a8c21 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 fifty-one is a composite number with 14 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand eight hundred and fifty-one is a composite number with 14 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 fifty-one has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal

Prime Factorization

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

3216 · j211 = 1a8c21

Base Conversions

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