The Number

7128

Seven Thousand One Hundred and Twenty-Eight

In Base 15 Quindecimal Is

21a315

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

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

Nearby Numbers

Positive, nonzero integers within three units

7125
21a015
Seven Thousand One Hundred and Twenty-Five in Base 15 Quindecimal
7126
21a115
Seven Thousand One Hundred and Twenty-Six in Base 15 Quindecimal
7127
21a215
Seven Thousand One Hundred and Twenty-Seven in Base 15 Quindecimal
7129
21a415
Seven Thousand One Hundred and Twenty-Nine in Base 15 Quindecimal
7130
21a515
Seven Thousand One Hundred and Thirty in Base 15 Quindecimal
7131
21a615
Seven Thousand One Hundred and Thirty-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.

7.128e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000718028543dc1815

The reciprocal of 7128 in Base 15 Quindecimal.

Palindrome?

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

The number 21a315 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Seven thousand one hundred and twenty-eight is a composite number with 40 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Seven thousand one hundred and twenty-eight is a composite number with 40 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 seven thousand one hundred and twenty-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
11
b15
Eleven in Base 15 Quindecimal

Prime Factorization

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

2153 · 3154 · b151 = 21a315

Base Conversions

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