The Number

123942

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

In Base 21 Unovigesimal Is

d81021

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

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

Nearby Numbers

Positive, nonzero integers within three units

123939
d80i21
One Hundred and Twenty-Three Thousand Nine Hundred and Thirty-Nine in Base 21 Unovigesimal
123940
d80j21
One Hundred and Twenty-Three Thousand Nine Hundred and Forty in Base 21 Unovigesimal
123941
d80k21
One Hundred and Twenty-Three Thousand Nine Hundred and Forty-One in Base 21 Unovigesimal
123943
d81121
One Hundred and Twenty-Three Thousand Nine Hundred and Forty-Three in Base 21 Unovigesimal
123944
d81221
One Hundred and Twenty-Three Thousand Nine Hundred and Forty-Four in Base 21 Unovigesimal
123945
d81321
One Hundred and Twenty-Three Thousand Nine 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.

1.23942e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001bjkegg03aff721

The reciprocal of 123942 in Base 21 Unovigesimal.

Palindrome?

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

The number d81021 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 twenty-three thousand nine hundred and forty-two is a composite number with 32 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 twenty-three thousand nine hundred and forty-two is a composite number with 32 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 twenty-three thousand nine hundred and forty-two has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
227
ah21
Two Hundred and Twenty-Seven 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 · 7211 · d211 · ah211 = d81021

Base Conversions

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