The Number

640342

Six Hundred and Forty Thousand Three Hundred and Forty-Two

In Base 11 Undecimal Is

3a810a11

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

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

Nearby Numbers

Positive, nonzero integers within three units

640339
3a810711
Six Hundred and Forty Thousand Three Hundred and Thirty-Nine in Base 11 Undecimal
640340
3a810811
Six Hundred and Forty Thousand Three Hundred and Forty in Base 11 Undecimal
640341
3a810911
Six Hundred and Forty Thousand Three Hundred and Forty-One in Base 11 Undecimal
640343
3a811011
Six Hundred and Forty Thousand Three Hundred and Forty-Three in Base 11 Undecimal
640344
3a811111
Six Hundred and Forty Thousand Three Hundred and Forty-Four in Base 11 Undecimal
640345
3a811211
Six Hundred and Forty Thousand Three 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.

6.40342e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000284836430053467211

The reciprocal of 640342 in Base 11 Undecimal.

Palindrome?

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

The number 3a810a11 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 three hundred and forty-two is a composite number with 8 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 three hundred and forty-two is a composite number with 8 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 three hundred and forty-two has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
353
2a111
Three Hundred and Fifty-Three in Base 11 Undecimal
907
75511
Nine Hundred and Seven 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 · 2a1111 · 755111 = 3a810a11

Base Conversions

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