The Number

42643

Forty-Two Thousand Six Hundred and Forty-Three

In Base 25 Pentavigesimal Is

2i5i25

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

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

Nearby Numbers

Positive, nonzero integers within three units

42640
2i5f25
Forty-Two Thousand Six Hundred and Forty in Base 25 Pentavigesimal
42641
2i5g25
Forty-Two Thousand Six Hundred and Forty-One in Base 25 Pentavigesimal
42642
2i5h25
Forty-Two Thousand Six Hundred and Forty-Two in Base 25 Pentavigesimal
42644
2i5j25
Forty-Two Thousand Six Hundred and Forty-Four in Base 25 Pentavigesimal
42645
2i5k25
Forty-Two Thousand Six Hundred and Forty-Five in Base 25 Pentavigesimal
42646
2i5l25
Forty-Two Thousand Six Hundred and Forty-Six in Base 25 Pentavigesimal

Scientific Notation

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

4.2643e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0009405dcf8j4i225

The reciprocal of 42643 in Base 25 Pentavigesimal.

Palindrome?

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

The number 2i5i25 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 six hundred and forty-three is the 4457th prime number.   See primes in Base 25 Pentavigesimal

Not A Composite

Composites have more than just these two factors.

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

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 six hundred and forty-three has the following 1 prime factor:

42643
2i5i25
Forty-Two Thousand Six Hundred and Forty-Three in Base 25 Pentavigesimal

Prime Factorization

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

2i5i251 = 2i5i25

Base Conversions

The number forty-two thousand six hundred and forty-three in 35 different bases