The Number

3969

Three Thousand Nine Hundred and Sixty-Nine

In Base 21 Unovigesimal Is

90021

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

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

Nearby Numbers

Positive, nonzero integers within three units

3966
8ki21
Three Thousand Nine Hundred and Sixty-Six in Base 21 Unovigesimal
3967
8kj21
Three Thousand Nine Hundred and Sixty-Seven in Base 21 Unovigesimal
3968
8kk21
Three Thousand Nine Hundred and Sixty-Eight in Base 21 Unovigesimal
3970
90121
Three Thousand Nine Hundred and Seventy in Base 21 Unovigesimal
3971
90221
Three Thousand Nine Hundred and Seventy-One in Base 21 Unovigesimal
3972
90321
Three Thousand Nine Hundred and Seventy-Two in Base 21 Unovigesimal

Scientific Notation

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

3.969e3

Reciprocal

A number multiplied with its reciprocal is one.

0.002721

The reciprocal of 3969 in Base 21 Unovigesimal.

Palindrome?

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

The number 90021 is not a palindrome.

Not A Prime Number

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

Three thousand nine hundred and sixty-nine is a composite number with 15 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three thousand nine hundred and sixty-nine is a composite number with 15 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 three thousand nine hundred and sixty-nine has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal

Prime Factorization

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

3214 · 7212 = 90021

Base Conversions

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