The Number

1661

One Thousand Six Hundred and Sixty-One

In Base 3 Ternary Is

20211123

The numbers with a 3 subscript use Base 3 Ternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1658
20211023
One Thousand Six Hundred and Fifty-Eight in Base 3 Ternary
1659
20211103
One Thousand Six Hundred and Fifty-Nine in Base 3 Ternary
1660
20211113
One Thousand Six Hundred and Sixty in Base 3 Ternary
1662
20211203
One Thousand Six Hundred and Sixty-Two in Base 3 Ternary
1663
20211213
One Thousand Six Hundred and Sixty-Three in Base 3 Ternary
1664
20211223
One Thousand Six Hundred and Sixty-Four in Base 3 Ternary

Scientific Notation

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

1.661e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00000010221122120102221120211001010201113

The reciprocal of 1661 in Base 3 Ternary.

Palindrome?

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

The number 20211123 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and sixty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 3 Ternary

A Composite

Composites have more than just these two factors.

One thousand six hundred and sixty-one is a composite number with 4 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 one thousand six hundred and sixty-one has the following 2 prime factors:

11
1023
Eleven in Base 3 Ternary
151
121213
One Hundred and Fifty-One in Base 3 Ternary

Prime Factorization

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

10231 · 1212131 = 20211123

Base Conversions

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