The Number

16661

Sixteen Thousand Six Hundred and Sixty-One

In Base 13 Tridecimal Is

777813

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

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

Nearby Numbers

Positive, nonzero integers within three units

16658
777513
Sixteen Thousand Six Hundred and Fifty-Eight in Base 13 Tridecimal
16659
777613
Sixteen Thousand Six Hundred and Fifty-Nine in Base 13 Tridecimal
16660
777713
Sixteen Thousand Six Hundred and Sixty in Base 13 Tridecimal
16662
777913
Sixteen Thousand Six Hundred and Sixty-Two in Base 13 Tridecimal
16663
777a13
Sixteen Thousand Six Hundred and Sixty-Three in Base 13 Tridecimal
16664
777b13
Sixteen Thousand Six Hundred and Sixty-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.

1.6661e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001939264a1c2206213

The reciprocal of 16661 in Base 13 Tridecimal.

Palindrome?

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

The number 777813 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Sixteen thousand six hundred and sixty-one is the 1928th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Sixteen Thousand Six Hundred and Sixty-One is not a composite number because it has exactly two factors: One and Sixteen Thousand Six Hundred and Sixty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number sixteen thousand six hundred and sixty-one has the following 1 prime factor:

16661
777813
Sixteen Thousand Six Hundred and Sixty-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

7778131 = 777813

Base Conversions

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