The Number

81390

Eighty-One Thousand Three Hundred and Ninety

In Base 35 Pentatrigesimal Is

1vff35

The numbers with a 35 subscript use Base 35 Pentatrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81387
1vfc35
Eighty-One Thousand Three Hundred and Eighty-Seven in Base 35 Pentatrigesimal
81388
1vfd35
Eighty-One Thousand Three Hundred and Eighty-Eight in Base 35 Pentatrigesimal
81389
1vfe35
Eighty-One Thousand Three Hundred and Eighty-Nine in Base 35 Pentatrigesimal
81391
1vfg35
Eighty-One Thousand Three Hundred and Ninety-One in Base 35 Pentatrigesimal
81392
1vfh35
Eighty-One Thousand Three Hundred and Ninety-Two in Base 35 Pentatrigesimal
81393
1vfi35
Eighty-One Thousand Three Hundred and Ninety-Three in Base 35 Pentatrigesimal

Scientific Notation

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

8.1390e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ifav5sp11hd35

The reciprocal of 81390 in Base 35 Pentatrigesimal.

Palindrome?

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

The number 1vff35 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 35 Pentatrigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and ninety 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 eighty-one thousand three hundred and ninety has the following 4 prime factors:

2
235
Two in Base 35 Pentatrigesimal
3
335
Three in Base 35 Pentatrigesimal
5
535
Five in Base 35 Pentatrigesimal
2713
27i35
Two Thousand Seven Hundred and Thirteen in Base 35 Pentatrigesimal

Prime Factorization

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

2351 · 3351 · 5351 · 27i351 = 1vff35

Base Conversions

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