The Number

81216

Eighty-One Thousand Two Hundred and Sixteen

In Base 31 Untrigesimal Is

2mfr31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81213
2mfo31
Eighty-One Thousand Two Hundred and Thirteen in Base 31 Untrigesimal
81214
2mfp31
Eighty-One Thousand Two Hundred and Fourteen in Base 31 Untrigesimal
81215
2mfq31
Eighty-One Thousand Two Hundred and Fifteen in Base 31 Untrigesimal
81217
2mfs31
Eighty-One Thousand Two Hundred and Seventeen in Base 31 Untrigesimal
81218
2mft31
Eighty-One Thousand Two Hundred and Eightteen in Base 31 Untrigesimal
81219
2mfu31
Eighty-One Thousand Two Hundred and Nineteen in Base 31 Untrigesimal

Scientific Notation

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

8.1216e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000bbflgt56kna31

The reciprocal of 81216 in Base 31 Untrigesimal.

Palindrome?

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

The number 2mfr31 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 sixteen is a composite number with 56 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand two hundred and sixteen is a composite number with 56 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 sixteen has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
47
1g31
Forty-Seven in Base 31 Untrigesimal

Prime Factorization

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

2316 · 3313 · 1g311 = 2mfr31

Base Conversions

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