The Number

1661

One Thousand Six Hundred and Sixty-One

In Base 22 Duovigesimal Is

39b22

The numbers with a 22 subscript use Base 22 Duovigesimal 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
39822
One Thousand Six Hundred and Fifty-Eight in Base 22 Duovigesimal
1659
39922
One Thousand Six Hundred and Fifty-Nine in Base 22 Duovigesimal
1660
39a22
One Thousand Six Hundred and Sixty in Base 22 Duovigesimal
1662
39c22
One Thousand Six Hundred and Sixty-Two in Base 22 Duovigesimal
1663
39d22
One Thousand Six Hundred and Sixty-Three in Base 22 Duovigesimal
1664
39e22
One Thousand Six Hundred and Sixty-Four in Base 22 Duovigesimal

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.

0.00690g0ci1a13e22

The reciprocal of 1661 in Base 22 Duovigesimal.

Palindrome?

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

The number 39b22 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 22 Duovigesimal

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
b22
Eleven in Base 22 Duovigesimal
151
6j22
One Hundred and Fifty-One in Base 22 Duovigesimal

Prime Factorization

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

b221 · 6j221 = 39b22

Base Conversions

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