The Number

640672

Six Hundred and Forty Thousand Six Hundred and Seventy-Two

In Base 11 Undecimal Is

3a838a11

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

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

Nearby Numbers

Positive, nonzero integers within three units

640669
3a838711
Six Hundred and Forty Thousand Six Hundred and Sixty-Nine in Base 11 Undecimal
640670
3a838811
Six Hundred and Forty Thousand Six Hundred and Seventy in Base 11 Undecimal
640671
3a838911
Six Hundred and Forty Thousand Six Hundred and Seventy-One in Base 11 Undecimal
640673
3a839011
Six Hundred and Forty Thousand Six Hundred and Seventy-Three in Base 11 Undecimal
640674
3a839111
Six Hundred and Forty Thousand Six Hundred and Seventy-Four in Base 11 Undecimal
640675
3a839211
Six Hundred and Forty Thousand Six Hundred and Seventy-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.

6.40672e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000284647983439233811

The reciprocal of 640672 in Base 11 Undecimal.

Palindrome?

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

The number 3a838a11 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 seventy-two is a composite number with 12 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 seventy-two 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 forty thousand six hundred and seventy-two has the following 2 prime factors:

2
211
Two in Base 11 Undecimal
20021
1405111
Twenty Thousand and Twenty-One in Base 11 Undecimal

Prime Factorization

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

2115 · 14051111 = 3a838a11

Base Conversions

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