The Number

8142

Eight Thousand One Hundred and Forty-Two

In Base 21 Unovigesimal Is

i9f21

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

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

Nearby Numbers

Positive, nonzero integers within three units

8139
i9c21
Eight Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
8140
i9d21
Eight Thousand One Hundred and Forty in Base 21 Unovigesimal
8141
i9e21
Eight Thousand One Hundred and Forty-One in Base 21 Unovigesimal
8143
i9g21
Eight Thousand One Hundred and Forty-Three in Base 21 Unovigesimal
8144
i9h21
Eight Thousand One Hundred and Forty-Four in Base 21 Unovigesimal
8145
i9i21
Eight Thousand One 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.

8.142e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0012icgcb876i9b21

The reciprocal of 8142 in Base 21 Unovigesimal.

Palindrome?

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

The number i9f21 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 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.

Eight thousand one 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 eight thousand one hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
59
2h21
Fifty-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 · 3211 · 12211 · 2h211 = i9f21

Base Conversions

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