The Number

213165

Two Hundred and Thirteen Thousand One Hundred and Sixty-Five

In Base 21 Unovigesimal Is

1207f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

213162
1207c21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Two in Base 21 Unovigesimal
213163
1207d21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Three in Base 21 Unovigesimal
213164
1207e21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Four in Base 21 Unovigesimal
213166
1207g21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Six in Base 21 Unovigesimal
213167
1207h21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Seven in Base 21 Unovigesimal
213168
1207i21
Two Hundred and Thirteen Thousand One Hundred and Sixty-Eight in Base 21 Unovigesimal

Scientific Notation

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

2.13165e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j375di3k29bf21

The reciprocal of 213165 in Base 21 Unovigesimal.

Palindrome?

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

The number 1207f21 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 thirteen thousand one hundred and sixty-five is a composite number with 16 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 thirteen thousand one hundred and sixty-five is a composite number with 16 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 thirteen thousand one hundred and sixty-five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
1579
3c421
One Thousand Five Hundred and Seventy-Nine in Base 21 Unovigesimal

Prime Factorization

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

3213 · 5211 · 3c4211 = 1207f21

Base Conversions

The number two hundred and thirteen thousand one hundred and sixty-five in 35 different bases