The Number

221487

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

In Base 13 Tridecimal Is

79a7613

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

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

Nearby Numbers

Positive, nonzero integers within three units

221484
79a7313
Two Hundred and Twenty-One Thousand Four Hundred and Eighty-Four in Base 13 Tridecimal
221485
79a7413
Two Hundred and Twenty-One Thousand Four Hundred and Eighty-Five in Base 13 Tridecimal
221486
79a7513
Two Hundred and Twenty-One Thousand Four Hundred and Eighty-Six in Base 13 Tridecimal
221488
79a7713
Two Hundred and Twenty-One Thousand Four Hundred and Eighty-Eight in Base 13 Tridecimal
221489
79a7813
Two Hundred and Twenty-One Thousand Four Hundred and Eighty-Nine in Base 13 Tridecimal
221490
79a7913
Two Hundred and Twenty-One Thousand Four Hundred and Ninety in Base 13 Tridecimal

Scientific Notation

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

2.21487e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000018a3c86625a92213

The reciprocal of 221487 in Base 13 Tridecimal.

Palindrome?

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

The number 79a7613 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 four hundred and eighty-seven is a composite number with 16 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 four hundred and eighty-seven is a composite number with 16 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 four hundred and eighty-seven has the following 4 prime factors:

3
313
Three in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
53
4113
Fifty-Three in Base 13 Tridecimal
199
12413
One Hundred and Ninety-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 · 7131 · 41131 · 124131 = 79a7613

Base Conversions

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