The Number

211981

Two Hundred and Eleven Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

7564313

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

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

Nearby Numbers

Positive, nonzero integers within three units

211978
7564013
Two Hundred and Eleven Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
211979
7564113
Two Hundred and Eleven Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
211980
7564213
Two Hundred and Eleven Thousand Nine Hundred and Eighty in Base 13 Tridecimal
211982
7564413
Two Hundred and Eleven Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
211983
7564513
Two Hundred and Eleven Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
211984
7564613
Two Hundred and Eleven 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.

2.11981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000019a0192607815c713

The reciprocal of 211981 in Base 13 Tridecimal.

Palindrome?

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

The number 7564313 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 eleven 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 eleven 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 eleven thousand nine hundred and eighty-one has the following 3 prime factors:

7
713
Seven in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
2753
133a13
Two Thousand Seven Hundred and Fifty-Three in Base 13 Tridecimal

Prime Factorization

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

7131 · b131 · 133a131 = 7564313

Base Conversions

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