The Number

121940

One Hundred and Twenty-One Thousand Nine Hundred and Forty

In Base 15 Quindecimal Is

261e515

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

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

Nearby Numbers

Positive, nonzero integers within three units

121937
261e215
One Hundred and Twenty-One Thousand Nine Hundred and Thirty-Seven in Base 15 Quindecimal
121938
261e315
One Hundred and Twenty-One Thousand Nine Hundred and Thirty-Eight in Base 15 Quindecimal
121939
261e415
One Hundred and Twenty-One Thousand Nine Hundred and Thirty-Nine in Base 15 Quindecimal
121941
261e615
One Hundred and Twenty-One Thousand Nine Hundred and Forty-One in Base 15 Quindecimal
121942
261e715
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Two in Base 15 Quindecimal
121943
261e815
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Three in Base 15 Quindecimal

Scientific Notation

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

1.21940e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00006362984052da415

The reciprocal of 121940 in Base 15 Quindecimal.

Palindrome?

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

The number 261e515 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 forty is a composite number with 48 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 nine hundred and forty is a composite number with 48 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 forty has the following 5 prime factors:

2
215
Two in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
67
4715
Sixty-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

2152 · 5151 · 7151 · d151 · 47151 = 261e515

Base Conversions

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