The Number

640642

Six Hundred and Forty Thousand Six Hundred and Forty-Two

In Base 11 Undecimal Is

3a836211

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640639
3a835a11
Six Hundred and Forty Thousand Six Hundred and Thirty-Nine in Base 11 Undecimal
640640
3a836011
Six Hundred and Forty Thousand Six Hundred and Forty in Base 11 Undecimal
640641
3a836111
Six Hundred and Forty Thousand Six Hundred and Forty-One in Base 11 Undecimal
640643
3a836311
Six Hundred and Forty Thousand Six Hundred and Forty-Three in Base 11 Undecimal
640644
3a836411
Six Hundred and Forty Thousand Six Hundred and Forty-Four in Base 11 Undecimal
640645
3a836511
Six Hundred and Forty Thousand Six Hundred and Forty-Five in Base 11 Undecimal

Scientific Notation

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

6.40642e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000002846668170a53a5111

The reciprocal of 640642 in Base 11 Undecimal.

Palindrome?

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

The number 3a836211 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 thousand six hundred and forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand six hundred and forty-two 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 thousand six hundred and forty-two has the following 4 prime factors:

2
211
Two in Base 11 Undecimal
19
1811
Nineteen in Base 11 Undecimal
23
2111
Twenty-Three in Base 11 Undecimal
733
60711
Seven Hundred and Thirty-Three in Base 11 Undecimal

Prime Factorization

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

2111 · 18111 · 21111 · 607111 = 3a836211

Base Conversions

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