The Number

121389

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

In Base 15 Quindecimal Is

25e7915

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-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

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
121390
25e7a15
One Hundred and Twenty-One Thousand Three Hundred and Ninety in Base 15 Quindecimal
121391
25e7b15
One Hundred and Twenty-One Thousand Three Hundred and Ninety-One in Base 15 Quindecimal
121392
25e7c15
One Hundred and Twenty-One Thousand Three Hundred and Ninety-Two in Base 15 Quindecimal

Scientific Notation

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

1.21389e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000063c8089bba287615

The reciprocal of 121389 in Base 15 Quindecimal.

Palindrome?

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

The number 25e7915 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-nine 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-nine 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-nine has the following 3 prime factors:

3
315
Three in Base 15 Quindecimal
43
2d15
Forty-Three in Base 15 Quindecimal
941
42b15
Nine Hundred and Forty-One in Base 15 Quindecimal

Prime Factorization

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

3151 · 2d151 · 42b151 = 25e7915

Base Conversions

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