The Number

128249

One Hundred and Twenty-Eight Thousand Two Hundred and Forty-Nine

In Base 18 Octodecimal Is

13heh18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128246
13hee18
One Hundred and Twenty-Eight Thousand Two Hundred and Forty-Six in Base 18 Octodecimal
128247
13hef18
One Hundred and Twenty-Eight Thousand Two Hundred and Forty-Seven in Base 18 Octodecimal
128248
13heg18
One Hundred and Twenty-Eight Thousand Two Hundred and Forty-Eight in Base 18 Octodecimal
128250
13hf018
One Hundred and Twenty-Eight Thousand Two Hundred and Fifty in Base 18 Octodecimal
128251
13hf118
One Hundred and Twenty-Eight Thousand Two Hundred and Fifty-One in Base 18 Octodecimal
128252
13hf218
One Hundred and Twenty-Eight Thousand Two Hundred and Fifty-Two in Base 18 Octodecimal

Scientific Notation

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

1.28249e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ed3c538b6471e18

The reciprocal of 128249 in Base 18 Octodecimal.

Palindrome?

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

The number 13heh18 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 forty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand two hundred and forty-nine 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 forty-nine has the following 3 prime factors:

11
b18
Eleven in Base 18 Octodecimal
89
4h18
Eighty-Nine in Base 18 Octodecimal
131
7518
One Hundred and Thirty-One in Base 18 Octodecimal

Prime Factorization

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

b181 · 4h181 · 75181 = 13heh18

Base Conversions

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