The Number

81220

Eighty-One Thousand Two Hundred and Twenty

In Base 19 Nonadecimal Is

bfie19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81217
bfib19
Eighty-One Thousand Two Hundred and Seventeen in Base 19 Nonadecimal
81218
bfic19
Eighty-One Thousand Two Hundred and Eightteen in Base 19 Nonadecimal
81219
bfid19
Eighty-One Thousand Two Hundred and Nineteen in Base 19 Nonadecimal
81221
bfif19
Eighty-One Thousand Two Hundred and Twenty-One in Base 19 Nonadecimal
81222
bfig19
Eighty-One Thousand Two Hundred and Twenty-Two in Base 19 Nonadecimal
81223
bfih19
Eighty-One Thousand Two Hundred and Twenty-Three in Base 19 Nonadecimal

Scientific Notation

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

8.1220e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001b94acg3e3i7619

The reciprocal of 81220 in Base 19 Nonadecimal.

Palindrome?

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

The number bfie19 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 twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand two hundred and twenty is a composite number with 24 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 twenty has the following 4 prime factors:

2
219
Two in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
31
1c19
Thirty-One in Base 19 Nonadecimal
131
6h19
One Hundred and Thirty-One in Base 19 Nonadecimal

Prime Factorization

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

2192 · 5191 · 1c191 · 6h191 = bfie19

Base Conversions

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