The Number

642165

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

In Base 13 Tridecimal Is

1963a413

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

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

Nearby Numbers

Positive, nonzero integers within three units

642162
1963a113
Six Hundred and Forty-Two Thousand One Hundred and Sixty-Two in Base 13 Tridecimal
642163
1963a213
Six Hundred and Forty-Two Thousand One Hundred and Sixty-Three in Base 13 Tridecimal
642164
1963a313
Six Hundred and Forty-Two Thousand One Hundred and Sixty-Four in Base 13 Tridecimal
642166
1963a513
Six Hundred and Forty-Two Thousand One Hundred and Sixty-Six in Base 13 Tridecimal
642167
1963a613
Six Hundred and Forty-Two Thousand One Hundred and Sixty-Seven in Base 13 Tridecimal
642168
1963a713
Six Hundred and Forty-Two Thousand One Hundred and Sixty-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.

6.42165e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000769388aa1cac03513

The reciprocal of 642165 in Base 13 Tridecimal.

Palindrome?

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

The number 1963a413 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 forty-two thousand one hundred and sixty-five is a composite number with 16 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 forty-two thousand one hundred and sixty-five 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 six hundred and forty-two thousand one hundred and sixty-five has the following 4 prime factors:

3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal
1381
82313
One Thousand Three Hundred and Eighty-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

3131 · 5131 · 25131 · 823131 = 1963a413

Base Conversions

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