The Number

401990

Four Hundred and One Thousand Nine Hundred and Ninety

In Base 18 Octodecimal Is

3egce18

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

For more familiar numbers: See Four Hundred and One Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

401987
3egcb18
Four Hundred and One Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
401988
3egcc18
Four Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
401989
3egcd18
Four Hundred and One Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
401991
3egcf18
Four Hundred and One Thousand Nine Hundred and Ninety-One in Base 18 Octodecimal
401992
3egcg18
Four Hundred and One Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
401993
3egch18
Four Hundred and One Thousand Nine Hundred and Ninety-Three in Base 18 Octodecimal

Scientific Notation

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

4.01990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004cah963fbef0718

The reciprocal of 401990 in Base 18 Octodecimal.

Palindrome?

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

The number 3egce18 is not a palindrome.

Not A Prime Number

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

Four hundred and one thousand nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Four hundred and one 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 four hundred and one thousand nine hundred and ninety has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
61
3718
Sixty-One in Base 18 Octodecimal
659
20b18
Six Hundred and Fifty-Nine in Base 18 Octodecimal

Prime Factorization

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

2181 · 5181 · 37181 · 20b181 = 3egce18

Base Conversions

The number four hundred and one thousand nine hundred and ninety in 35 different bases