The Number

205242

Two Hundred and Five Thousand Two Hundred and Forty-Two

In Base 21 Unovigesimal Is

1138921

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

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

Nearby Numbers

Positive, nonzero integers within three units

205239
1138621
Two Hundred and Five Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
205240
1138721
Two Hundred and Five Thousand Two Hundred and Forty in Base 21 Unovigesimal
205241
1138821
Two Hundred and Five Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
205243
1138a21
Two Hundred and Five Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
205244
1138b21
Two Hundred and Five Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
205245
1138c21
Two Hundred and Five Thousand Two Hundred and Forty-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.

2.05242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000jii947cef1f121

The reciprocal of 205242 in Base 21 Unovigesimal.

Palindrome?

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

The number 1138921 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 five thousand two hundred and forty-two 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 five thousand two hundred and forty-two 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 five thousand two hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
79
3g21
Seventy-Nine in Base 21 Unovigesimal
433
kd21
Four Hundred and Thirty-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 · 3211 · 3g211 · kd211 = 1138921

Base Conversions

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