The Number

646

Six Hundred and Forty-Six

In Base 13 Tridecimal Is

3a913

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

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

Nearby Numbers

Positive, nonzero integers within three units

643
3a613
Six Hundred and Forty-Three in Base 13 Tridecimal
644
3a713
Six Hundred and Forty-Four in Base 13 Tridecimal
645
3a813
Six Hundred and Forty-Five in Base 13 Tridecimal
647
3aa13
Six Hundred and Forty-Seven in Base 13 Tridecimal
648
3ab13
Six Hundred and Forty-Eight in Base 13 Tridecimal
649
3ac13
Six Hundred and Forty-Nine in Base 13 Tridecimal

Scientific Notation

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

6.46e2

Reciprocal

A number multiplied with its reciprocal is one.

0.003529ac0920565613

The reciprocal of 646 in Base 13 Tridecimal.

Palindrome?

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

The number 3a913 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-six is a composite number with 8 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-six 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-six has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
17
1413
Seventeen in Base 13 Tridecimal
19
1613
Nineteen in Base 13 Tridecimal

Prime Factorization

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

2131 · 14131 · 16131 = 3a913

Base Conversions

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