The Number

128278

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

In Base 15 Quindecimal Is

2801d15

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 Seventy-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128275
2801a15
One Hundred and Twenty-Eight Thousand Two Hundred and Seventy-Five in Base 15 Quindecimal
128276
2801b15
One Hundred and Twenty-Eight Thousand Two Hundred and Seventy-Six in Base 15 Quindecimal
128277
2801c15
One Hundred and Twenty-Eight Thousand Two Hundred and Seventy-Seven in Base 15 Quindecimal
128279
2801e15
One Hundred and Twenty-Eight Thousand Two Hundred and Seventy-Nine in Base 15 Quindecimal
128280
2802015
One Hundred and Twenty-Eight Thousand Two Hundred and Eighty in Base 15 Quindecimal
128281
2802115
One Hundred and Twenty-Eight Thousand Two Hundred and Eighty-One in Base 15 Quindecimal

Scientific Notation

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

1.28278e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005dbe2cd951622915

The reciprocal of 128278 in Base 15 Quindecimal.

Palindrome?

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

The number 2801d15 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 seventy-eight 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 seventy-eight 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 seventy-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
31
2115
Thirty-One in Base 15 Quindecimal
2069
92e15
Two Thousand and Sixty-Nine in Base 15 Quindecimal

Prime Factorization

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

2151 · 21151 · 92e151 = 2801d15

Base Conversions

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