The Number

72864

Seventy-Two Thousand Eight Hundred and Sixty-Four

In Base 21 Unovigesimal Is

7i4f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

72861
7i4c21
Seventy-Two Thousand Eight Hundred and Sixty-One in Base 21 Unovigesimal
72862
7i4d21
Seventy-Two Thousand Eight Hundred and Sixty-Two in Base 21 Unovigesimal
72863
7i4e21
Seventy-Two Thousand Eight Hundred and Sixty-Three in Base 21 Unovigesimal
72865
7i4g21
Seventy-Two Thousand Eight Hundred and Sixty-Five in Base 21 Unovigesimal
72866
7i4h21
Seventy-Two Thousand Eight Hundred and Sixty-Six in Base 21 Unovigesimal
72867
7i4i21
Seventy-Two Thousand Eight Hundred and Sixty-Seven in Base 21 Unovigesimal

Scientific Notation

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

7.2864e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002e11a90cj23h21

The reciprocal of 72864 in Base 21 Unovigesimal.

Palindrome?

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

The number 7i4f21 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 eight hundred and sixty-four is a composite number with 72 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 eight hundred and sixty-four is a composite number with 72 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 eight hundred and sixty-four has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
23
1221
Twenty-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

2215 · 3212 · b211 · 12211 = 7i4f21

Base Conversions

The number seventy-two thousand eight hundred and sixty-four in 35 different bases