The Number

205142

Two Hundred and Five Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

1133e21

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

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

Nearby Numbers

Positive, nonzero integers within three units

205139
1133b21
Two Hundred and Five Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
205140
1133c21
Two Hundred and Five Thousand One Hundred and Forty in Base 21 Unovigesimal
205141
1133d21
Two Hundred and Five Thousand One Hundred and Forty-One in Base 21 Unovigesimal
205143
1133f21
Two Hundred and Five Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
205144
1133g21
Two Hundred and Five Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
205145
1133h21
Two Hundred and Five Thousand One 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.

2.05142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000jj1f0hfc229i21

The reciprocal of 205142 in Base 21 Unovigesimal.

Palindrome?

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

The number 1133e21 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 one hundred and forty-two is a composite number with 8 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 one hundred and forty-two is a composite number with 8 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 one hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
14653
1c4g21
Fourteen Thousand Six Hundred and Fifty-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 · 7211 · 1c4g211 = 1133e21

Base Conversions

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