The Number

42181

Forty-Two Thousand One Hundred and Eighty-One

In Base 25 Pentavigesimal Is

2hc625

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

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

Nearby Numbers

Positive, nonzero integers within three units

42178
2hc325
Forty-Two Thousand One Hundred and Seventy-Eight in Base 25 Pentavigesimal
42179
2hc425
Forty-Two Thousand One Hundred and Seventy-Nine in Base 25 Pentavigesimal
42180
2hc525
Forty-Two Thousand One Hundred and Eighty in Base 25 Pentavigesimal
42182
2hc725
Forty-Two Thousand One Hundred and Eighty-Two in Base 25 Pentavigesimal
42183
2hc825
Forty-Two Thousand One Hundred and Eighty-Three in Base 25 Pentavigesimal
42184
2hc925
Forty-Two Thousand One Hundred and Eighty-Four in Base 25 Pentavigesimal

Scientific Notation

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

4.2181e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00096cn5cf3ojkf25

The reciprocal of 42181 in Base 25 Pentavigesimal.

Palindrome?

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

The number 2hc625 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Forty-two thousand one hundred and eighty-one is the 4409th prime number.   See primes in Base 25 Pentavigesimal

Not A Composite

Composites have more than just these two factors.

Forty-Two Thousand One Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Forty-Two Thousand One Hundred and Eighty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number forty-two thousand one hundred and eighty-one has the following 1 prime factor:

42181
2hc625
Forty-Two Thousand One Hundred and Eighty-One in Base 25 Pentavigesimal

Prime Factorization

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

2hc6251 = 2hc625

Base Conversions

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