The Number

81378

Eighty-One Thousand Three Hundred and Seventy-Eight

In Base 21 Unovigesimal Is

8gb321

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

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

Nearby Numbers

Positive, nonzero integers within three units

81375
8gb021
Eighty-One Thousand Three Hundred and Seventy-Five in Base 21 Unovigesimal
81376
8gb121
Eighty-One Thousand Three Hundred and Seventy-Six in Base 21 Unovigesimal
81377
8gb221
Eighty-One Thousand Three Hundred and Seventy-Seven in Base 21 Unovigesimal
81379
8gb421
Eighty-One Thousand Three Hundred and Seventy-Nine in Base 21 Unovigesimal
81380
8gb521
Eighty-One Thousand Three Hundred and Eighty in Base 21 Unovigesimal
81381
8gb621
Eighty-One Thousand Three Hundred and Eighty-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.

8.1378e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000283j7j19i6k3d21

The reciprocal of 81378 in Base 21 Unovigesimal.

Palindrome?

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

The number 8gb321 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 three hundred and seventy-eight is a composite number with 32 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 three hundred and seventy-eight is a composite number with 32 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 three hundred and seventy-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
137
6b21
One Hundred and Thirty-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

2211 · 3213 · b211 · 6b211 = 8gb321

Base Conversions

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