The Number

221668

Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Eight

In Base 13 Tridecimal Is

79b8513

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

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

Nearby Numbers

Positive, nonzero integers within three units

221665
79b8213
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Five in Base 13 Tridecimal
221666
79b8313
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Six in Base 13 Tridecimal
221667
79b8413
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Seven in Base 13 Tridecimal
221669
79b8613
Two Hundred and Twenty-One Thousand Six Hundred and Sixty-Nine in Base 13 Tridecimal
221670
79b8713
Two Hundred and Twenty-One Thousand Six Hundred and Seventy in Base 13 Tridecimal
221671
79b8813
Two Hundred and Twenty-One Thousand Six Hundred and Seventy-One in Base 13 Tridecimal

Scientific Notation

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

2.21668e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000018a0c736292307813

The reciprocal of 221668 in Base 13 Tridecimal.

Palindrome?

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

The number 79b8513 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 six hundred and sixty-eight is a composite number with 12 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 six hundred and sixty-eight is a composite number with 12 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 six hundred and sixty-eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
151
b813
One Hundred and Fifty-One in Base 13 Tridecimal
367
22313
Three Hundred and Sixty-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

2132 · b8131 · 223131 = 79b8513

Base Conversions

The number two hundred and twenty-one thousand six hundred and sixty-eight in 35 different bases