The Number

242665

Two Hundred and Forty-Two Thousand Six Hundred and Sixty-Five

In Base 21 Unovigesimal Is

1545a21

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

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

Nearby Numbers

Positive, nonzero integers within three units

242662
1545721
Two Hundred and Forty-Two Thousand Six Hundred and Sixty-Two in Base 21 Unovigesimal
242663
1545821
Two Hundred and Forty-Two Thousand Six Hundred and Sixty-Three in Base 21 Unovigesimal
242664
1545921
Two Hundred and Forty-Two Thousand Six Hundred and Sixty-Four in Base 21 Unovigesimal
242666
1545b21
Two Hundred and Forty-Two Thousand Six Hundred and Sixty-Six in Base 21 Unovigesimal
242667
1545c21
Two Hundred and Forty-Two Thousand Six Hundred and Sixty-Seven in Base 21 Unovigesimal
242668
1545d21
Two Hundred and Forty-Two Thousand Six 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.

2.42665e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000gh92ab77k99721

The reciprocal of 242665 in Base 21 Unovigesimal.

Palindrome?

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

The number 1545a21 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 forty-two thousand six hundred and sixty-five 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 forty-two thousand six hundred and sixty-five 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 forty-two thousand six hundred and sixty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
48533
551221
Forty-Eight Thousand Five 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

5211 · 5512211 = 1545a21

Base Conversions

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