The Number

7998

Seven Thousand Nine Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

i2i21

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

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

Nearby Numbers

Positive, nonzero integers within three units

7995
i2f21
Seven Thousand Nine Hundred and Ninety-Five in Base 21 Unovigesimal
7996
i2g21
Seven Thousand Nine Hundred and Ninety-Six in Base 21 Unovigesimal
7997
i2h21
Seven Thousand Nine Hundred and Ninety-Seven in Base 21 Unovigesimal
7999
i2j21
Seven Thousand Nine Hundred and Ninety-Nine in Base 21 Unovigesimal
8000
i2k21
Eight Thousand in Base 21 Unovigesimal
8001
i3021
Eight Thousand and One in Base 21 Unovigesimal

Scientific Notation

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

7.998e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00136d97e5iihah21

The reciprocal of 7998 in Base 21 Unovigesimal.

Palindrome?

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

The number i2i21 is a palindrome.

Not A Prime Number

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

Seven thousand nine hundred and ninety-eight 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.

Seven thousand nine hundred and ninety-eight 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 seven thousand nine hundred and ninety-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
43
2121
Forty-Three 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 · 1a211 · 21211 = i2i21

Base Conversions

The number seven thousand nine hundred and ninety-eight in 35 different bases