The Number

81208

Eighty-One Thousand Two Hundred and Eight

In Base 21 Unovigesimal Is

8g3121

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

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

Nearby Numbers

Positive, nonzero integers within three units

81205
8g2j21
Eighty-One Thousand Two Hundred and Five in Base 21 Unovigesimal
81206
8g2k21
Eighty-One Thousand Two Hundred and Six in Base 21 Unovigesimal
81207
8g3021
Eighty-One Thousand Two Hundred and Seven in Base 21 Unovigesimal
81209
8g3221
Eighty-One Thousand Two Hundred and Nine in Base 21 Unovigesimal
81210
8g3321
Eighty-One Thousand Two Hundred and Ten in Base 21 Unovigesimal
81211
8g3421
Eighty-One Thousand Two Hundred and Eleven in Base 21 Unovigesimal

Scientific Notation

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

8.1208e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002862ei75cde921

The reciprocal of 81208 in Base 21 Unovigesimal.

Palindrome?

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

The number 8g3121 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand two hundred and eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand two hundred and eight is a composite number with 8 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 eighty-one thousand two hundred and eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
10151
120821
Ten Thousand One Hundred and Fifty-One in Base 21 Unovigesimal

Prime Factorization

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

2213 · 1208211 = 8g3121

Base Conversions

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