The Number

728990

Seven Hundred and Twenty-Eight Thousand Nine Hundred and Ninety

In Base 12 Duodecimal Is

2b1a5212

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

728987
2b1a4b12
Seven Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Seven in Base 12 Duodecimal
728988
2b1a5012
Seven Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Eight in Base 12 Duodecimal
728989
2b1a5112
Seven Hundred and Twenty-Eight Thousand Nine Hundred and Eighty-Nine in Base 12 Duodecimal
728991
2b1a5312
Seven Hundred and Twenty-Eight Thousand Nine Hundred and Ninety-One in Base 12 Duodecimal
728992
2b1a5412
Seven Hundred and Twenty-Eight Thousand Nine Hundred and Ninety-Two in Base 12 Duodecimal
728993
2b1a5512
Seven Hundred and Twenty-Eight Thousand Nine Hundred and Ninety-Three in Base 12 Duodecimal

Scientific Notation

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

7.28990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004119b9a2a408a0212

The reciprocal of 728990 in Base 12 Duodecimal.

Palindrome?

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

The number 2b1a5212 is not a palindrome.

Not A Prime Number

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

Seven hundred and twenty-eight thousand nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Seven hundred and twenty-eight thousand nine hundred and ninety 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 seven hundred and twenty-eight thousand nine hundred and ninety has the following 4 prime factors:

2
212
Two in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
269
1a512
Two Hundred and Sixty-Nine in Base 12 Duodecimal
271
1a712
Two Hundred and Seventy-One in Base 12 Duodecimal

Prime Factorization

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

2121 · 5121 · 1a5121 · 1a7121 = 2b1a5212

Base Conversions

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