The Number

201991

Two Hundred and One Thousand Nine Hundred and Ninety-One

In Base 13 Tridecimal Is

70c2a13

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

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

Nearby Numbers

Positive, nonzero integers within three units

201988
70c2713
Two Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 13 Tridecimal
201989
70c2813
Two Hundred and One Thousand Nine Hundred and Eighty-Nine in Base 13 Tridecimal
201990
70c2913
Two Hundred and One Thousand Nine Hundred and Ninety in Base 13 Tridecimal
201992
70c2b13
Two Hundred and One Thousand Nine Hundred and Ninety-Two in Base 13 Tridecimal
201993
70c2c13
Two Hundred and One Thousand Nine Hundred and Ninety-Three in Base 13 Tridecimal
201994
70c3013
Two Hundred and One Thousand Nine Hundred and Ninety-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.

2.01991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001ab85b260bb987913

The reciprocal of 201991 in Base 13 Tridecimal.

Palindrome?

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

The number 70c2a13 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 ninety-one is a composite number with 4 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 ninety-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 one thousand nine hundred and ninety-one has the following 2 prime factors:

73
5813
Seventy-Three in Base 13 Tridecimal
2767
134b13
Two Thousand Seven Hundred and Sixty-Seven in Base 13 Tridecimal

Prime Factorization

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

58131 · 134b131 = 70c2a13

Base Conversions

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