The Number

66801

Sixty-Six Thousand Eight Hundred and One

In Base 21 Unovigesimal Is

74a021

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

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

Nearby Numbers

Positive, nonzero integers within three units

66798
749i21
Sixty-Six Thousand Seven Hundred and Ninety-Eight in Base 21 Unovigesimal
66799
749j21
Sixty-Six Thousand Seven Hundred and Ninety-Nine in Base 21 Unovigesimal
66800
749k21
Sixty-Six Thousand Eight Hundred in Base 21 Unovigesimal
66802
74a121
Sixty-Six Thousand Eight Hundred and Two in Base 21 Unovigesimal
66803
74a221
Sixty-Six Thousand Eight Hundred and Three in Base 21 Unovigesimal
66804
74a321
Sixty-Six Thousand Eight Hundred and Four in Base 21 Unovigesimal

Scientific Notation

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

6.6801e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002j2ikki1i200421

The reciprocal of 66801 in Base 21 Unovigesimal.

Palindrome?

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

The number 74a021 is not a palindrome.

Not A Prime Number

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

Sixty-six thousand eight hundred and one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Sixty-six thousand eight hundred and one is a composite number with 8 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 sixty-six thousand eight hundred and one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
3181
74a21
Three Thousand One Hundred and Eighty-One in Base 21 Unovigesimal

Prime Factorization

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

3211 · 7211 · 74a211 = 74a021

Base Conversions

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