The Number

8157

Eight Thousand One Hundred and Fifty-Seven

In Base 21 Unovigesimal Is

ia921

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

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

Nearby Numbers

Positive, nonzero integers within three units

8154
ia621
Eight Thousand One Hundred and Fifty-Four in Base 21 Unovigesimal
8155
ia721
Eight Thousand One Hundred and Fifty-Five in Base 21 Unovigesimal
8156
ia821
Eight Thousand One Hundred and Fifty-Six in Base 21 Unovigesimal
8158
iaa21
Eight Thousand One Hundred and Fifty-Eight in Base 21 Unovigesimal
8159
iab21
Eight Thousand One Hundred and Fifty-Nine in Base 21 Unovigesimal
8160
iac21
Eight Thousand 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.

8.157e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0012he8h15j88k21

The reciprocal of 8157 in Base 21 Unovigesimal.

Palindrome?

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

The number ia921 is not a palindrome.

Not A Prime Number

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

Eight thousand one hundred and fifty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eight thousand one hundred and fifty-seven is a composite number with 4 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 eight thousand one hundred and fifty-seven has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
2719
63a21
Two Thousand Seven Hundred and Nineteen in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3211 · 63a211 = ia921

Base Conversions

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