The Number

157

One Hundred and Fifty-Seven

In Base 21 Unovigesimal Is

7a21

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

For more familiar numbers: See One Hundred and Fifty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

154
7721
One Hundred and Fifty-Four in Base 21 Unovigesimal
155
7821
One Hundred and Fifty-Five in Base 21 Unovigesimal
156
7921
One Hundred and Fifty-Six in Base 21 Unovigesimal
158
7b21
One Hundred and Fifty-Eight in Base 21 Unovigesimal
159
7c21
One Hundred and Fifty-Nine in Base 21 Unovigesimal
160
7d21
One Hundred and Sixty in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.57e2

Reciprocal

A number multiplied with its reciprocal is one.

0.02gkf80b4jjb2321

The reciprocal of 157 in Base 21 Unovigesimal.

Palindrome?

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

The number 7a21 is not a palindrome.

A Prime Number

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

One hundred and fifty-seven is the 37th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

One Hundred and Fifty-Seven is not a composite number because it has exactly two factors: One and One Hundred and Fifty-Seven

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 fifty-seven has the following 1 prime factor:

157
7a21
One Hundred and Fifty-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

7a211 = 7a21

Base Conversions

The number one hundred and fifty-seven in 35 different bases