The Number

121221

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

In Base 15 Quindecimal Is

25db615

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 Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

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
121220
25db515
One Hundred and Twenty-One Thousand Two Hundred and Twenty in Base 15 Quindecimal
121222
25db715
One Hundred and Twenty-One Thousand Two Hundred and Twenty-Two in Base 15 Quindecimal
121223
25db815
One Hundred and Twenty-One Thousand Two Hundred and Twenty-Three in Base 15 Quindecimal
121224
25db915
One Hundred and Twenty-One Thousand Two Hundred and Twenty-Four in Base 15 Quindecimal

Scientific Notation

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

1.21221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000063e74741017c0815

The reciprocal of 121221 in Base 15 Quindecimal.

Palindrome?

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

The number 25db615 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 twenty-one is a composite number with 6 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 twenty-one is a composite number with 6 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 twenty-one has the following 2 prime factors:

3
315
Three in Base 15 Quindecimal
13469
3ece15
Thirteen Thousand Four Hundred and Sixty-Nine in Base 15 Quindecimal

Prime Factorization

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

3152 · 3ece151 = 25db615

Base Conversions

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