The Number

201981

Two Hundred and One Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

70c2013

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

201978
70c1a13
Two Hundred and One Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
201979
70c1b13
Two Hundred and One Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
201980
70c1c13
Two Hundred and One Thousand Nine Hundred and Eighty in Base 13 Tridecimal
201982
70c2113
Two Hundred and One Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
201983
70c2213
Two Hundred and One Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
201984
70c2313
Two Hundred and One Thousand Nine Hundred and Eighty-Four in Base 13 Tridecimal

Scientific Notation

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

2.01981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001ab885c9803c0813

The reciprocal of 201981 in Base 13 Tridecimal.

Palindrome?

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

The number 70c2013 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 one thousand nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Two hundred and one thousand nine hundred and eighty-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 hundred and one thousand nine hundred and eighty-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
5179
248513
Five Thousand One Hundred and Seventy-Nine in Base 13 Tridecimal

Prime Factorization

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

3131 · 10131 · 2485131 = 70c2013

Base Conversions

The number two hundred and one thousand nine hundred and eighty-one in 35 different bases