The Number

81007

Eighty-One Thousand and Seven

In Base 20 Vigesimal Is

a2a720

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

For more familiar numbers: See Eighty-One Thousand and Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81004
a2a420
Eighty-One Thousand and Four in Base 20 Vigesimal
81005
a2a520
Eighty-One Thousand and Five in Base 20 Vigesimal
81006
a2a620
Eighty-One Thousand and Six in Base 20 Vigesimal
81008
a2a820
Eighty-One Thousand and Eight in Base 20 Vigesimal
81009
a2a920
Eighty-One Thousand and Nine in Base 20 Vigesimal
81010
a2aa20
Eighty-One Thousand and Ten in Base 20 Vigesimal

Scientific Notation

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

8.1007e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ja1218h6d2bf20

The reciprocal of 81007 in Base 20 Vigesimal.

Palindrome?

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

The number a2a720 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 and seven is a composite number with 4 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 and seven is a composite number with 4 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 and seven has the following 2 prime factors:

59
2j20
Fifty-Nine in Base 20 Vigesimal
1373
38d20
One Thousand Three Hundred and Seventy-Three in Base 20 Vigesimal

Prime Factorization

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

2j201 · 38d201 = a2a720

Base Conversions

The number eighty-one thousand and seven in 35 different bases