The Number

121385

One Hundred and Twenty-One Thousand Three Hundred and Eighty-Five

In Base 15 Quindecimal Is

25e7515

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

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

Nearby Numbers

Positive, nonzero integers within three units

121382
25e7215
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Two in Base 15 Quindecimal
121383
25e7315
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Three in Base 15 Quindecimal
121384
25e7415
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Four in Base 15 Quindecimal
121386
25e7615
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Six in Base 15 Quindecimal
121387
25e7715
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Seven in Base 15 Quindecimal
121388
25e7815
One Hundred and Twenty-One Thousand Three Hundred and Eighty-Eight in Base 15 Quindecimal

Scientific Notation

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

1.21385e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000063c8b02d7a7b3c15

The reciprocal of 121385 in Base 15 Quindecimal.

Palindrome?

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

The number 25e7515 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 three hundred and eighty-five is a composite number with 8 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 three hundred and eighty-five is a composite number with 8 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 three hundred and eighty-five has the following 3 prime factors:

5
515
Five in Base 15 Quindecimal
11
b15
Eleven in Base 15 Quindecimal
2207
9c215
Two Thousand Two Hundred and 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

5151 · b151 · 9c2151 = 25e7515

Base Conversions

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