The Number

221897

Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Seven

In Base 13 Tridecimal Is

7a00013

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

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

Nearby Numbers

Positive, nonzero integers within three units

221894
79cca13
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Four in Base 13 Tridecimal
221895
79ccb13
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Five in Base 13 Tridecimal
221896
79ccc13
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Six in Base 13 Tridecimal
221898
7a00113
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Eight in Base 13 Tridecimal
221899
7a00213
Two Hundred and Twenty-One Thousand Eight Hundred and Ninety-Nine in Base 13 Tridecimal
221900
7a00313
Two Hundred and Twenty-One Thousand Nine Hundred in Base 13 Tridecimal

Scientific Notation

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

2.21897e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000189a225a3b2760913

The reciprocal of 221897 in Base 13 Tridecimal.

Palindrome?

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

The number 7a00013 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 eight hundred and ninety-seven 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 eight hundred and ninety-seven 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 eight hundred and ninety-seven has the following 2 prime factors:

13
1013
Thirteen in Base 13 Tridecimal
101
7a13
One Hundred and One in Base 13 Tridecimal

Prime Factorization

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

10133 · 7a131 = 7a00013

Base Conversions

The number two hundred and twenty-one thousand eight hundred and ninety-seven in 35 different bases