The Number

81420

Eighty-One Thousand Four Hundred and Twenty

In Base 12 Duodecimal Is

3b15012

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81417
3b14912
Eighty-One Thousand Four Hundred and Seventeen in Base 12 Duodecimal
81418
3b14a12
Eighty-One Thousand Four Hundred and Eightteen in Base 12 Duodecimal
81419
3b14b12
Eighty-One Thousand Four Hundred and Nineteen in Base 12 Duodecimal
81421
3b15112
Eighty-One Thousand Four Hundred and Twenty-One in Base 12 Duodecimal
81422
3b15212
Eighty-One Thousand Four Hundred and Twenty-Two in Base 12 Duodecimal
81423
3b15312
Eighty-One Thousand Four Hundred and Twenty-Three in Base 12 Duodecimal

Scientific Notation

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

8.1420e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000308104896323b512

The reciprocal of 81420 in Base 12 Duodecimal.

Palindrome?

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

The number 3b15012 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 four hundred and twenty is a composite number with 48 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand four hundred and twenty is a composite number with 48 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 four hundred and twenty has the following 5 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
23
1b12
Twenty-Three in Base 12 Duodecimal
59
4b12
Fifty-Nine in Base 12 Duodecimal

Prime Factorization

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

2122 · 3121 · 5121 · 1b121 · 4b121 = 3b15012

Base Conversions

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