The Number

121989

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

In Base 15 Quindecimal Is

2622915

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 Eighty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121986
2622615
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Six in Base 15 Quindecimal
121987
2622715
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 15 Quindecimal
121988
2622815
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 15 Quindecimal
121990
2622a15
One Hundred and Twenty-One Thousand Nine Hundred and Ninety in Base 15 Quindecimal
121991
2622b15
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-One in Base 15 Quindecimal
121992
2622c15
One Hundred and Twenty-One Thousand Nine 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.

1.21989e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000063592db5596eb715

The reciprocal of 121989 in Base 15 Quindecimal.

Palindrome?

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

The number 2622915 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 eighty-nine 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 nine hundred and eighty-nine 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 nine hundred and eighty-nine has the following 4 prime factors:

3
315
Three in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
37
2715
Thirty-Seven in Base 15 Quindecimal
157
a715
One Hundred and Fifty-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

3151 · 7151 · 27151 · a7151 = 2622915

Base Conversions

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