The Number

168742

One Hundred and Sixty-Eight Thousand Seven Hundred and Forty-Two

In Base 21 Unovigesimal Is

i4d721

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

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

Nearby Numbers

Positive, nonzero integers within three units

168739
i4d421
One Hundred and Sixty-Eight Thousand Seven Hundred and Thirty-Nine in Base 21 Unovigesimal
168740
i4d521
One Hundred and Sixty-Eight Thousand Seven Hundred and Forty in Base 21 Unovigesimal
168741
i4d621
One Hundred and Sixty-Eight Thousand Seven Hundred and Forty-One in Base 21 Unovigesimal
168743
i4d821
One Hundred and Sixty-Eight Thousand Seven Hundred and Forty-Three in Base 21 Unovigesimal
168744
i4d921
One Hundred and Sixty-Eight Thousand Seven Hundred and Forty-Four in Base 21 Unovigesimal
168745
i4da21
One Hundred and Sixty-Eight Thousand Seven 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.

1.68742e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001345d1i5h968921

The reciprocal of 168742 in Base 21 Unovigesimal.

Palindrome?

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

The number i4d721 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 sixty-eight thousand seven 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.

One hundred and sixty-eight thousand seven 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 one hundred and sixty-eight thousand seven hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
709
1cg21
Seven Hundred and Nine 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 · h211 · 1cg211 = i4d721

Base Conversions

The number one hundred and sixty-eight thousand seven hundred and forty-two in 35 different bases