The Number

643864

Six Hundred and Forty-Three Thousand Eight Hundred and Sixty-Four

In Base 13 Tridecimal Is

1970b013

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

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

Nearby Numbers

Positive, nonzero integers within three units

643861
1970aa13
Six Hundred and Forty-Three Thousand Eight Hundred and Sixty-One in Base 13 Tridecimal
643862
1970ab13
Six Hundred and Forty-Three Thousand Eight Hundred and Sixty-Two in Base 13 Tridecimal
643863
1970ac13
Six Hundred and Forty-Three Thousand Eight Hundred and Sixty-Three in Base 13 Tridecimal
643865
1970b113
Six Hundred and Forty-Three Thousand Eight Hundred and Sixty-Five in Base 13 Tridecimal
643866
1970b213
Six Hundred and Forty-Three Thousand Eight Hundred and Sixty-Six in Base 13 Tridecimal
643867
1970b313
Six Hundred and Forty-Three Thousand Eight Hundred and Sixty-Seven in Base 13 Tridecimal

Scientific Notation

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

6.43864e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000765c1274217603313

The reciprocal of 643864 in Base 13 Tridecimal.

Palindrome?

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

The number 1970b013 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-three thousand eight hundred and sixty-four is a composite number with 32 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-three thousand eight hundred and sixty-four is a composite number with 32 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-three thousand eight hundred and sixty-four has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
41
3213
Forty-One in Base 13 Tridecimal
151
b813
One Hundred and Fifty-One in Base 13 Tridecimal

Prime Factorization

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

2133 · 10131 · 32131 · b8131 = 1970b013

Base Conversions

The number six hundred and forty-three thousand eight hundred and sixty-four in 35 different bases