The Number

1966

One Thousand Nine Hundred and Sixty-Six

In Base 21 Unovigesimal Is

49d21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1963
49a21
One Thousand Nine Hundred and Sixty-Three in Base 21 Unovigesimal
1964
49b21
One Thousand Nine Hundred and Sixty-Four in Base 21 Unovigesimal
1965
49c21
One Thousand Nine Hundred and Sixty-Five in Base 21 Unovigesimal
1967
49e21
One Thousand Nine Hundred and Sixty-Seven in Base 21 Unovigesimal
1968
49f21
One Thousand Nine Hundred and Sixty-Eight in Base 21 Unovigesimal
1969
49g21
One Thousand Nine Hundred and Sixty-Nine in Base 21 Unovigesimal

Scientific Notation

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

1.966e3

Reciprocal

A number multiplied with its reciprocal is one.

0.004ej7e5j0jk51921

The reciprocal of 1966 in Base 21 Unovigesimal.

Palindrome?

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

The number 49d21 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 nine hundred and sixty-six is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and sixty-six 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 nine hundred and sixty-six has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
983
24h21
Nine Hundred and Eighty-Three in Base 21 Unovigesimal

Prime Factorization

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

2211 · 24h211 = 49d21

Base Conversions

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