The Number

660021

Six Hundred and Sixty Thousand and Twenty-One

In Base 13 Tridecimal Is

1a155b13

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

For more familiar numbers: See Six Hundred and Sixty Thousand and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

660018
1a155813
Six Hundred and Sixty Thousand and Eightteen in Base 13 Tridecimal
660019
1a155913
Six Hundred and Sixty Thousand and Nineteen in Base 13 Tridecimal
660020
1a155a13
Six Hundred and Sixty Thousand and Twenty in Base 13 Tridecimal
660022
1a155c13
Six Hundred and Sixty Thousand and Twenty-Two in Base 13 Tridecimal
660023
1a156013
Six Hundred and Sixty Thousand and Twenty-Three in Base 13 Tridecimal
660024
1a156113
Six Hundred and Sixty Thousand and Twenty-Four in Base 13 Tridecimal

Scientific Notation

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

6.60021e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000740bbb1a91958a613

The reciprocal of 660021 in Base 13 Tridecimal.

Palindrome?

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

The number 1a155b13 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 sixty thousand and twenty-one is a composite number with 16 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 sixty thousand and twenty-one is a composite number with 16 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 sixty thousand and twenty-one has the following 4 prime factors:

3
313
Three in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal
47
3813
Forty-Seven 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

3131 · 25131 · 38131 · b8131 = 1a155b13

Base Conversions

The number six hundred and sixty thousand and twenty-one in 35 different bases