The Number

128261

One Hundred and Twenty-Eight Thousand Two Hundred and Sixty-One

In Base 15 Quindecimal Is

2800b15

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

For more familiar numbers: See One Hundred and Twenty-Eight Thousand Two Hundred and Sixty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128258
2800815
One Hundred and Twenty-Eight Thousand Two Hundred and Fifty-Eight in Base 15 Quindecimal
128259
2800915
One Hundred and Twenty-Eight Thousand Two Hundred and Fifty-Nine in Base 15 Quindecimal
128260
2800a15
One Hundred and Twenty-Eight Thousand Two Hundred and Sixty in Base 15 Quindecimal
128262
2800c15
One Hundred and Twenty-Eight Thousand Two Hundred and Sixty-Two in Base 15 Quindecimal
128263
2800d15
One Hundred and Twenty-Eight Thousand Two Hundred and Sixty-Three in Base 15 Quindecimal
128264
2800e15
One Hundred and Twenty-Eight Thousand Two Hundred and Sixty-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.

1.28261e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005dc1c8adad645215

The reciprocal of 128261 in Base 15 Quindecimal.

Palindrome?

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

The number 2800b15 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-eight thousand two hundred and sixty-one 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-eight thousand two hundred and sixty-one 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-eight thousand two hundred and sixty-one has the following 3 prime factors:

7
715
Seven in Base 15 Quindecimal
73
4d15
Seventy-Three in Base 15 Quindecimal
251
11b15
Two Hundred and Fifty-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

7151 · 4d151 · 11b151 = 2800b15

Base Conversions

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