The Number

221721

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

In Base 13 Tridecimal Is

79bc613

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

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

Nearby Numbers

Positive, nonzero integers within three units

221718
79bc313
Two Hundred and Twenty-One Thousand Seven Hundred and Eightteen in Base 13 Tridecimal
221719
79bc413
Two Hundred and Twenty-One Thousand Seven Hundred and Nineteen in Base 13 Tridecimal
221720
79bc513
Two Hundred and Twenty-One Thousand Seven Hundred and Twenty in Base 13 Tridecimal
221722
79bc713
Two Hundred and Twenty-One Thousand Seven Hundred and Twenty-Two in Base 13 Tridecimal
221723
79bc813
Two Hundred and Twenty-One Thousand Seven Hundred and Twenty-Three in Base 13 Tridecimal
221724
79bc913
Two Hundred and Twenty-One Thousand Seven 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.

2.21721e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000018a0117b47a509413

The reciprocal of 221721 in Base 13 Tridecimal.

Palindrome?

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

The number 79bc613 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 seven hundred and twenty-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 twenty-one thousand seven hundred and twenty-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 twenty-one thousand seven hundred and twenty-one has the following 2 prime factors:

3
313
Three in Base 13 Tridecimal
73907
2784213
Seventy-Three Thousand Nine Hundred and 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

3131 · 27842131 = 79bc613

Base Conversions

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