The Number

221921

Two Hundred and Twenty-One Thousand Nine Hundred and Twenty-One

In Base 13 Tridecimal Is

7a01b13

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

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

Nearby Numbers

Positive, nonzero integers within three units

221918
7a01813
Two Hundred and Twenty-One Thousand Nine Hundred and Eightteen in Base 13 Tridecimal
221919
7a01913
Two Hundred and Twenty-One Thousand Nine Hundred and Nineteen in Base 13 Tridecimal
221920
7a01a13
Two Hundred and Twenty-One Thousand Nine Hundred and Twenty in Base 13 Tridecimal
221922
7a01c13
Two Hundred and Twenty-One Thousand Nine Hundred and Twenty-Two in Base 13 Tridecimal
221923
7a02013
Two Hundred and Twenty-One Thousand Nine Hundred and Twenty-Three in Base 13 Tridecimal
221924
7a02113
Two Hundred and Twenty-One Thousand Nine Hundred and Twenty-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.

2.21921e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001899a034596700b13

The reciprocal of 221921 in Base 13 Tridecimal.

Palindrome?

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

The number 7a01b13 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 twenty-one thousand nine hundred and twenty-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 twenty-one thousand nine 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 two hundred and twenty-one thousand nine hundred and twenty-one has the following 2 prime factors:

7
713
Seven in Base 13 Tridecimal
647
3aa13
Six Hundred and Forty-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

7133 · 3aa131 = 7a01b13

Base Conversions

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