The Number

646240

Six Hundred and Forty-Six Thousand Two Hundred and Forty

In Base 13 Tridecimal Is

1981ba13

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

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

Nearby Numbers

Positive, nonzero integers within three units

646237
1981b713
Six Hundred and Forty-Six Thousand Two Hundred and Thirty-Seven in Base 13 Tridecimal
646238
1981b813
Six Hundred and Forty-Six Thousand Two Hundred and Thirty-Eight in Base 13 Tridecimal
646239
1981b913
Six Hundred and Forty-Six Thousand Two Hundred and Thirty-Nine in Base 13 Tridecimal
646241
1981bb13
Six Hundred and Forty-Six Thousand Two Hundred and Forty-One in Base 13 Tridecimal
646242
1981bc13
Six Hundred and Forty-Six Thousand Two Hundred and Forty-Two in Base 13 Tridecimal
646243
1981c013
Six Hundred and Forty-Six Thousand Two Hundred and Forty-Three in Base 13 Tridecimal

Scientific Notation

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

6.46240e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000076136ca53c912313

The reciprocal of 646240 in Base 13 Tridecimal.

Palindrome?

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

The number 1981ba13 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 thousand two hundred and forty is a composite number with 48 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 thousand two hundred and forty is a composite number with 48 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 thousand two hundred and forty has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
577
35513
Five Hundred and Seventy-Seven in Base 13 Tridecimal

Prime Factorization

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

2135 · 5131 · 7131 · 355131 = 1981ba13

Base Conversions

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