The Number

216572

Two Hundred and Sixteen Thousand Five Hundred and Seventy-Two

In Base 21 Unovigesimal Is

1281k21

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

For more familiar numbers: See Two Hundred and Sixteen Thousand Five Hundred and Seventy-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

216569
1281h21
Two Hundred and Sixteen Thousand Five Hundred and Sixty-Nine in Base 21 Unovigesimal
216570
1281i21
Two Hundred and Sixteen Thousand Five Hundred and Seventy in Base 21 Unovigesimal
216571
1281j21
Two Hundred and Sixteen Thousand Five Hundred and Seventy-One in Base 21 Unovigesimal
216573
1282021
Two Hundred and Sixteen Thousand Five Hundred and Seventy-Three in Base 21 Unovigesimal
216574
1282121
Two Hundred and Sixteen Thousand Five Hundred and Seventy-Four in Base 21 Unovigesimal
216575
1282221
Two Hundred and Sixteen Thousand Five Hundred and Seventy-Five in Base 21 Unovigesimal

Scientific Notation

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

2.16572e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ii0776i62k4i21

The reciprocal of 216572 in Base 21 Unovigesimal.

Palindrome?

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

The number 1281k21 is not a palindrome.

Not A Prime Number

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

Two hundred and sixteen thousand five hundred and seventy-two is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and sixteen thousand five hundred and seventy-two is a composite number with 12 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 two hundred and sixteen thousand five hundred and seventy-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
1867
44j21
One Thousand Eight Hundred and Sixty-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

2212 · 18211 · 44j211 = 1281k21

Base Conversions

The number two hundred and sixteen thousand five hundred and seventy-two in 35 different bases