The Number

181918

One Hundred and Eighty-One Thousand Nine Hundred and Eightteen

In Base 20 Vigesimal Is

12efi20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

181915
12eff20
One Hundred and Eighty-One Thousand Nine Hundred and Fifteen in Base 20 Vigesimal
181916
12efg20
One Hundred and Eighty-One Thousand Nine Hundred and Sixteen in Base 20 Vigesimal
181917
12efh20
One Hundred and Eighty-One Thousand Nine Hundred and Seventeen in Base 20 Vigesimal
181919
12efj20
One Hundred and Eighty-One Thousand Nine Hundred and Nineteen in Base 20 Vigesimal
181920
12eg020
One Hundred and Eighty-One Thousand Nine Hundred and Twenty in Base 20 Vigesimal
181921
12eg120
One Hundred and Eighty-One Thousand Nine Hundred and Twenty-One in Base 20 Vigesimal

Scientific Notation

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

1.81918e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000hbg2eh5e4e8cb20

The reciprocal of 181918 in Base 20 Vigesimal.

Palindrome?

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

The number 12efi20 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 eighty-one thousand nine hundred and eightteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One hundred and eighty-one thousand nine hundred and eightteen 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 eighty-one thousand nine hundred and eightteen has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
8269
10d920
Eight Thousand Two Hundred and Sixty-Nine in Base 20 Vigesimal

Prime Factorization

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

2201 · b201 · 10d9201 = 12efi20

Base Conversions

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