The Number

164990

One Hundred and Sixty-Four Thousand Nine Hundred and Ninety

In Base 18 Octodecimal Is

1a54218

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

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

Nearby Numbers

Positive, nonzero integers within three units

164987
1a53h18
One Hundred and Sixty-Four Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
164988
1a54018
One Hundred and Sixty-Four Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
164989
1a54118
One Hundred and Sixty-Four Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
164991
1a54318
One Hundred and Sixty-Four Thousand Nine Hundred and Ninety-One in Base 18 Octodecimal
164992
1a54418
One Hundred and Sixty-Four Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
164993
1a54518
One Hundred and Sixty-Four 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.

1.64990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b82bc6f84373918

The reciprocal of 164990 in Base 18 Octodecimal.

Palindrome?

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

The number 1a54218 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 sixty-four 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.

One hundred and sixty-four 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 one hundred and sixty-four 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
7
718
Seven in Base 18 Octodecimal
2357
74h18
Two Thousand Three Hundred and Fifty-Seven 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 · 7181 · 74h181 = 1a54218

Base Conversions

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