The Number

1991

One Thousand Nine Hundred and Ninety-One

In Base 24 Tetravigesimal Is

3an24

The numbers with a 24 subscript use Base 24 Tetravigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1988
3ak24
One Thousand Nine Hundred and Eighty-Eight in Base 24 Tetravigesimal
1989
3al24
One Thousand Nine Hundred and Eighty-Nine in Base 24 Tetravigesimal
1990
3am24
One Thousand Nine Hundred and Ninety in Base 24 Tetravigesimal
1992
3b024
One Thousand Nine Hundred and Ninety-Two in Base 24 Tetravigesimal
1993
3b124
One Thousand Nine Hundred and Ninety-Three in Base 24 Tetravigesimal
1994
3b224
One Thousand Nine Hundred and Ninety-Four in Base 24 Tetravigesimal

Scientific Notation

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

1.991e3

Reciprocal

A number multiplied with its reciprocal is one.

0.006mf79m26n54i24

The reciprocal of 1991 in Base 24 Tetravigesimal.

Palindrome?

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

The number 3an24 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 ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 24 Tetravigesimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and ninety-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 nine hundred and ninety-one has the following 2 prime factors:

11
b24
Eleven in Base 24 Tetravigesimal
181
7d24
One Hundred and Eighty-One in Base 24 Tetravigesimal

Prime Factorization

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

b241 · 7d241 = 3an24

Base Conversions

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