The Number

6661

Six Thousand Six Hundred and Sixty-One

In Base 12 Duodecimal Is

3a3112

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

6658
3a2a12
Six Thousand Six Hundred and Fifty-Eight in Base 12 Duodecimal
6659
3a2b12
Six Thousand Six Hundred and Fifty-Nine in Base 12 Duodecimal
6660
3a3012
Six Thousand Six Hundred and Sixty in Base 12 Duodecimal
6662
3a3212
Six Thousand Six Hundred and Sixty-Two in Base 12 Duodecimal
6663
3a3312
Six Thousand Six Hundred and Sixty-Three in Base 12 Duodecimal
6664
3a3412
Six Thousand Six Hundred and Sixty-Four in Base 12 Duodecimal

Scientific Notation

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

6.661e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0003143415991971b312

The reciprocal of 6661 in Base 12 Duodecimal.

Palindrome?

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

The number 3a3112 is not a palindrome.

A Prime Number

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

Six thousand six hundred and sixty-one is the 859th prime number.   See primes in Base 12 Duodecimal

Not A Composite

Composites have more than just these two factors.

Six Thousand Six Hundred and Sixty-One is not a composite number because it has exactly two factors: One and Six 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 six thousand six hundred and sixty-one has the following 1 prime factor:

6661
3a3112
Six Thousand Six Hundred and Sixty-One in Base 12 Duodecimal

Prime Factorization

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

3a31121 = 3a3112

Base Conversions

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