The Number

666145

Six Hundred and Sixty-Six Thousand One Hundred and Forty-Five

In Base 13 Tridecimal Is

1a428c13

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See Six Hundred and Sixty-Six Thousand One Hundred and Forty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

666142
1a428913
Six Hundred and Sixty-Six Thousand One Hundred and Forty-Two in Base 13 Tridecimal
666143
1a428a13
Six Hundred and Sixty-Six Thousand One Hundred and Forty-Three in Base 13 Tridecimal
666144
1a428b13
Six Hundred and Sixty-Six Thousand One Hundred and Forty-Four in Base 13 Tridecimal
666146
1a429013
Six Hundred and Sixty-Six Thousand One Hundred and Forty-Six in Base 13 Tridecimal
666147
1a429113
Six Hundred and Sixty-Six Thousand One Hundred and Forty-Seven in Base 13 Tridecimal
666148
1a429213
Six Hundred and Sixty-Six Thousand One Hundred and Forty-Eight in Base 13 Tridecimal

Scientific Notation

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

6.66145e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000732728a2c306b213

The reciprocal of 666145 in Base 13 Tridecimal.

Palindrome?

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

The number 1a428c13 is not a palindrome.

Not A Prime Number

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

Six hundred and sixty-six thousand one hundred and forty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Six hundred and sixty-six thousand one hundred and forty-five is a composite number with 12 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 six hundred and sixty-six thousand one hundred and forty-five has the following 3 prime factors:

5
513
Five in Base 13 Tridecimal
17
1413
Seventeen in Base 13 Tridecimal
461
29613
Four Hundred and Sixty-One in Base 13 Tridecimal

Prime Factorization

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

5131 · 14132 · 296131 = 1a428c13

Base Conversions

The number six hundred and sixty-six thousand one hundred and forty-five in 35 different bases