The Number

81042

Eighty-One Thousand and Forty-Two

In Base 25 Pentavigesimal Is

54gh25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81039
54ge25
Eighty-One Thousand and Thirty-Nine in Base 25 Pentavigesimal
81040
54gf25
Eighty-One Thousand and Forty in Base 25 Pentavigesimal
81041
54gg25
Eighty-One Thousand and Forty-One in Base 25 Pentavigesimal
81043
54gi25
Eighty-One Thousand and Forty-Three in Base 25 Pentavigesimal
81044
54gj25
Eighty-One Thousand and Forty-Four in Base 25 Pentavigesimal
81045
54gk25
Eighty-One Thousand and Forty-Five in Base 25 Pentavigesimal

Scientific Notation

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

8.1042e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004kccokodj25a25

The reciprocal of 81042 in Base 25 Pentavigesimal.

Palindrome?

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

The number 54gh25 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 forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and forty-two is a composite number with 16 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 forty-two has the following 4 prime factors:

2
225
Two in Base 25 Pentavigesimal
3
325
Three in Base 25 Pentavigesimal
13
d25
Thirteen in Base 25 Pentavigesimal
1039
1ge25
One Thousand and Thirty-Nine in Base 25 Pentavigesimal

Prime Factorization

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

2251 · 3251 · d251 · 1ge251 = 54gh25

Base Conversions

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