The Number

121216

One Hundred and Twenty-One Thousand Two Hundred and Sixteen

In Base 15 Quindecimal Is

25db115

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121213
25dad15
One Hundred and Twenty-One Thousand Two Hundred and Thirteen in Base 15 Quindecimal
121214
25dae15
One Hundred and Twenty-One Thousand Two Hundred and Fourteen in Base 15 Quindecimal
121215
25db015
One Hundred and Twenty-One Thousand Two Hundred and Fifteen in Base 15 Quindecimal
121217
25db215
One Hundred and Twenty-One Thousand Two Hundred and Seventeen in Base 15 Quindecimal
121218
25db315
One Hundred and Twenty-One Thousand Two Hundred and Eightteen in Base 15 Quindecimal
121219
25db415
One Hundred and Twenty-One Thousand Two Hundred and Nineteen in Base 15 Quindecimal

Scientific Notation

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

1.21216e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000063e828759d938a15

The reciprocal of 121216 in Base 15 Quindecimal.

Palindrome?

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

The number 25db115 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 two hundred and sixteen is a composite number with 16 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand two hundred and sixteen 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 one hundred and twenty-one thousand two hundred and sixteen has the following 2 prime factors:

2
215
Two in Base 15 Quindecimal
947
43215
Nine Hundred and Forty-Seven in Base 15 Quindecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2157 · 432151 = 25db115

Base Conversions

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