The Number

221649

Two Hundred and Twenty-One Thousand Six Hundred and Forty-Nine

In Base 21 Unovigesimal Is

12jcf21

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

For more familiar numbers: See Two Hundred and Twenty-One Thousand Six Hundred and Forty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

221646
12jcc21
Two Hundred and Twenty-One Thousand Six Hundred and Forty-Six in Base 21 Unovigesimal
221647
12jcd21
Two Hundred and Twenty-One Thousand Six Hundred and Forty-Seven in Base 21 Unovigesimal
221648
12jce21
Two Hundred and Twenty-One Thousand Six Hundred and Forty-Eight in Base 21 Unovigesimal
221650
12jcg21
Two Hundred and Twenty-One Thousand Six Hundred and Fifty in Base 21 Unovigesimal
221651
12jch21
Two Hundred and Twenty-One Thousand Six Hundred and Fifty-One in Base 21 Unovigesimal
221652
12jci21
Two Hundred and Twenty-One Thousand Six Hundred and Fifty-Two in Base 21 Unovigesimal

Scientific Notation

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

2.21649e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000i8ji0i064i2321

The reciprocal of 221649 in Base 21 Unovigesimal.

Palindrome?

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

The number 12jcf21 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 twenty-one thousand six hundred and forty-nine 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.

Two hundred and twenty-one thousand six hundred and forty-nine 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 two hundred and twenty-one thousand six hundred and forty-nine has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
73883
7kb521
Seventy-Three Thousand Eight Hundred 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

3211 · 7kb5211 = 12jcf21

Base Conversions

The number two hundred and twenty-one thousand six hundred and forty-nine in 35 different bases