The Number

642690

Six Hundred and Forty-Two Thousand Six Hundred and Ninety

In Base 13 Tridecimal Is

1966b913

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

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

Nearby Numbers

Positive, nonzero integers within three units

642687
1966b613
Six Hundred and Forty-Two Thousand Six Hundred and Eighty-Seven in Base 13 Tridecimal
642688
1966b713
Six Hundred and Forty-Two Thousand Six Hundred and Eighty-Eight in Base 13 Tridecimal
642689
1966b813
Six Hundred and Forty-Two Thousand Six Hundred and Eighty-Nine in Base 13 Tridecimal
642691
1966ba13
Six Hundred and Forty-Two Thousand Six Hundred and Ninety-One in Base 13 Tridecimal
642692
1966bb13
Six Hundred and Forty-Two Thousand Six Hundred and Ninety-Two in Base 13 Tridecimal
642693
1966bc13
Six Hundred and Forty-Two Thousand Six Hundred and Ninety-Three in Base 13 Tridecimal

Scientific Notation

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

6.42690e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000007683240c93115a713

The reciprocal of 642690 in Base 13 Tridecimal.

Palindrome?

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

The number 1966b913 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 six hundred and ninety is a composite number with 48 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 six hundred and ninety is a composite number with 48 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 six hundred and ninety has the following 5 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
37
2b13
Thirty-Seven in Base 13 Tridecimal
193
11b13
One Hundred and Ninety-Three in Base 13 Tridecimal

Prime Factorization

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

2131 · 3132 · 5131 · 2b131 · 11b131 = 1966b913

Base Conversions

The number six hundred and forty-two thousand six hundred and ninety in 35 different bases