The Number

728121

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

In Base 13 Tridecimal Is

1c655413

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

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

Nearby Numbers

Positive, nonzero integers within three units

728118
1c655113
Seven Hundred and Twenty-Eight Thousand One Hundred and Eightteen in Base 13 Tridecimal
728119
1c655213
Seven Hundred and Twenty-Eight Thousand One Hundred and Nineteen in Base 13 Tridecimal
728120
1c655313
Seven Hundred and Twenty-Eight Thousand One Hundred and Twenty in Base 13 Tridecimal
728122
1c655513
Seven Hundred and Twenty-Eight Thousand One Hundred and Twenty-Two in Base 13 Tridecimal
728123
1c655613
Seven Hundred and Twenty-Eight Thousand One Hundred and Twenty-Three in Base 13 Tridecimal
728124
1c655713
Seven Hundred and Twenty-Eight Thousand One 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.

7.28121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000006824278ba10931513

The reciprocal of 728121 in Base 13 Tridecimal.

Palindrome?

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

The number 1c655413 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Seven hundred and twenty-eight thousand one 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.

Seven hundred and twenty-eight thousand one 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 seven hundred and twenty-eight thousand one hundred and twenty-one has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
163
c713
One Hundred and Sixty-Three in Base 13 Tridecimal
1489
8a713
One Thousand Four Hundred and Eighty-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 · c7131 · 8a7131 = 1c655413

Base Conversions

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