The Number

81355

Eighty-One Thousand Three Hundred and Fifty-Five

In Base 20 Vigesimal Is

a37f20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81352
a37c20
Eighty-One Thousand Three Hundred and Fifty-Two in Base 20 Vigesimal
81353
a37d20
Eighty-One Thousand Three Hundred and Fifty-Three in Base 20 Vigesimal
81354
a37e20
Eighty-One Thousand Three Hundred and Fifty-Four in Base 20 Vigesimal
81356
a37g20
Eighty-One Thousand Three Hundred and Fifty-Six in Base 20 Vigesimal
81357
a37h20
Eighty-One Thousand Three Hundred and Fifty-Seven in Base 20 Vigesimal
81358
a37i20
Eighty-One Thousand Three Hundred and Fifty-Eight in Base 20 Vigesimal

Scientific Notation

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

8.1355e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001j6da58i2366b20

The reciprocal of 81355 in Base 20 Vigesimal.

Palindrome?

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

The number a37f20 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 fifty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand three hundred and fifty-five 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 three hundred and fifty-five has the following 3 prime factors:

5
520
Five in Base 20 Vigesimal
53
2d20
Fifty-Three in Base 20 Vigesimal
307
f720
Three Hundred and Seven in Base 20 Vigesimal

Prime Factorization

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

5201 · 2d201 · f7201 = a37f20

Base Conversions

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