The Number

72166

Seventy-Two Thousand One Hundred and Sixty-Six

In Base 21 Unovigesimal Is

7gda21

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

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

Nearby Numbers

Positive, nonzero integers within three units

72163
7gd721
Seventy-Two Thousand One Hundred and Sixty-Three in Base 21 Unovigesimal
72164
7gd821
Seventy-Two Thousand One Hundred and Sixty-Four in Base 21 Unovigesimal
72165
7gd921
Seventy-Two Thousand One Hundred and Sixty-Five in Base 21 Unovigesimal
72167
7gdb21
Seventy-Two Thousand One Hundred and Sixty-Seven in Base 21 Unovigesimal
72168
7gdc21
Seventy-Two Thousand One Hundred and Sixty-Eight in Base 21 Unovigesimal
72169
7gdd21
Seventy-Two Thousand One 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.

7.2166e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002ec9c2ed4fe9521

The reciprocal of 72166 in Base 21 Unovigesimal.

Palindrome?

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

The number 7gda21 is not a palindrome.

Not A Prime Number

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

Seventy-two thousand one 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.

Seventy-two thousand one 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 seventy-two thousand one hundred and sixty-six has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
36083
3ih521
Thirty-Six Thousand 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 · 3ih5211 = 7gda21

Base Conversions

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