The Number

121981

One Hundred and Twenty-One Thousand Nine Hundred and Eighty-One

In Base 13 Tridecimal Is

436a213

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

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

Nearby Numbers

Positive, nonzero integers within three units

121978
4369c13
One Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 13 Tridecimal
121979
436a013
One Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
121980
436a113
One Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 13 Tridecimal
121982
436a313
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 13 Tridecimal
121983
436a413
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 13 Tridecimal
121984
436a513
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-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.

1.21981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000307548854b8691613

The reciprocal of 121981 in Base 13 Tridecimal.

Palindrome?

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

The number 436a213 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-one thousand nine hundred and eighty-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.

One hundred and twenty-one thousand nine hundred and eighty-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 one hundred and twenty-one thousand nine hundred and eighty-one has the following 2 prime factors:

223
14213
Two Hundred and Twenty-Three in Base 13 Tridecimal
547
33113
Five Hundred and Forty-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

142131 · 331131 = 436a213

Base Conversions

The number one hundred and twenty-one thousand nine hundred and eighty-one in 35 different bases