The Number

42840

Forty-Two Thousand Eight Hundred and Forty

In Base 25 Pentavigesimal Is

2idf25

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

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

Nearby Numbers

Positive, nonzero integers within three units

42837
2idc25
Forty-Two Thousand Eight Hundred and Thirty-Seven in Base 25 Pentavigesimal
42838
2idd25
Forty-Two Thousand Eight Hundred and Thirty-Eight in Base 25 Pentavigesimal
42839
2ide25
Forty-Two Thousand Eight Hundred and Thirty-Nine in Base 25 Pentavigesimal
42841
2idg25
Forty-Two Thousand Eight Hundred and Forty-One in Base 25 Pentavigesimal
42842
2idh25
Forty-Two Thousand Eight Hundred and Forty-Two in Base 25 Pentavigesimal
42843
2idi25
Forty-Two Thousand Eight Hundred and Forty-Three in Base 25 Pentavigesimal

Scientific Notation

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

4.2840e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00092nm8knkf1j25

The reciprocal of 42840 in Base 25 Pentavigesimal.

Palindrome?

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

The number 2idf25 is not a palindrome.

Not A Prime Number

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

Forty-two thousand eight hundred and forty is a composite number with 96 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand eight hundred and forty is a composite number with 96 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 forty-two thousand eight hundred and forty has the following 5 prime factors:

2
225
Two in Base 25 Pentavigesimal
3
325
Three in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal
7
725
Seven in Base 25 Pentavigesimal
17
h25
Seventeen in Base 25 Pentavigesimal

Prime Factorization

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

2253 · 3252 · 5251 · 7251 · h251 = 2idf25

Base Conversions

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