The Number

640409

Six Hundred and Forty Thousand Four Hundred and Nine

In Base 5 Quinary Is

1304431145

The numbers with a 5 subscript use Base 5 Quinary notation.

For more familiar numbers: See Six Hundred and Forty Thousand Four Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

640406
1304431115
Six Hundred and Forty Thousand Four Hundred and Six in Base 5 Quinary
640407
1304431125
Six Hundred and Forty Thousand Four Hundred and Seven in Base 5 Quinary
640408
1304431135
Six Hundred and Forty Thousand Four Hundred and Eight in Base 5 Quinary
640410
1304431205
Six Hundred and Forty Thousand Four Hundred and Ten in Base 5 Quinary
640411
1304431215
Six Hundred and Forty Thousand Four Hundred and Eleven in Base 5 Quinary
640412
1304431225
Six Hundred and Forty Thousand Four Hundred and Twelve in Base 5 Quinary

Scientific Notation

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

6.40409e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000030111031124000241132315

The reciprocal of 640409 in Base 5 Quinary.

Palindrome?

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

The number 1304431145 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 four hundred and nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand four hundred and nine 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 four hundred and nine has the following 3 prime factors:

7
125
Seven in Base 5 Quinary
11
215
Eleven in Base 5 Quinary
8317
2312325
Eight Thousand Three Hundred and Seventeen in Base 5 Quinary

Prime Factorization

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

1251 · 2151 · 23123251 = 1304431145

Base Conversions

The number six hundred and forty thousand four hundred and nine in 35 different bases