The Number

105242

One Hundred and Five Thousand Two Hundred and Forty-Two

In Base 21 Unovigesimal Is

b7db21

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

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

Nearby Numbers

Positive, nonzero integers within three units

105239
b7d821
One Hundred and Five Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
105240
b7d921
One Hundred and Five Thousand Two Hundred and Forty in Base 21 Unovigesimal
105241
b7da21
One Hundred and Five Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
105243
b7dc21
One Hundred and Five Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
105244
b7dd21
One Hundred and Five Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
105245
b7de21
One 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.

1.05242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001hgjg88jach1b21

The reciprocal of 105242 in Base 21 Unovigesimal.

Palindrome?

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

The number b7db21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and five thousand two 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.

One hundred and five thousand two 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 one hundred and five thousand two hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
101
4h21
One Hundred and One in Base 21 Unovigesimal
521
13h21
Five Hundred and Twenty-One 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 · 4h211 · 13h211 = b7db21

Base Conversions

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