The Number

981981

Nine Hundred and Eighty-One Thousand Nine Hundred and Eighty-One

In Base 15 Quindecimal Is

145e5615

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

For more familiar numbers: See Nine Hundred and Eighty-One Thousand Nine Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

981978
145e5315
Nine Hundred and Eighty-One Thousand Nine Hundred and Seventy-Eight in Base 15 Quindecimal
981979
145e5415
Nine Hundred and Eighty-One Thousand Nine Hundred and Seventy-Nine in Base 15 Quindecimal
981980
145e5515
Nine Hundred and Eighty-One Thousand Nine Hundred and Eighty in Base 15 Quindecimal
981982
145e5715
Nine Hundred and Eighty-One Thousand Nine Hundred and Eighty-Two in Base 15 Quindecimal
981983
145e5815
Nine Hundred and Eighty-One Thousand Nine Hundred and Eighty-Three in Base 15 Quindecimal
981984
145e5915
Nine Hundred and Eighty-One Thousand Nine Hundred and Eighty-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.

9.81981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000b8edbabb7c26c15

The reciprocal of 981981 in Base 15 Quindecimal.

Palindrome?

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

The number 145e5615 is not a palindrome.

Not A Prime Number

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

Nine hundred and eighty-one thousand nine hundred and eighty-one is a composite number with 48 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Nine hundred and eighty-one thousand nine hundred and eighty-one is a composite number with 48 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 nine hundred and eighty-one thousand nine hundred and eighty-one has the following 5 prime factors:

3
315
Three in Base 15 Quindecimal
7
715
Seven in Base 15 Quindecimal
11
b15
Eleven in Base 15 Quindecimal
13
d15
Thirteen in Base 15 Quindecimal
109
7415
One Hundred and 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

3152 · 7151 · b151 · d151 · 74151 = 145e5615

Base Conversions

The number nine hundred and eighty-one thousand nine hundred and eighty-one in 35 different bases