The Number

21242

Twenty-One Thousand Two Hundred and Forty-Two

In Base 25 Pentavigesimal Is

18oh25

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

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

Nearby Numbers

Positive, nonzero integers within three units

21239
18oe25
Twenty-One Thousand Two Hundred and Thirty-Nine in Base 25 Pentavigesimal
21240
18of25
Twenty-One Thousand Two Hundred and Forty in Base 25 Pentavigesimal
21241
18og25
Twenty-One Thousand Two Hundred and Forty-One in Base 25 Pentavigesimal
21243
18oi25
Twenty-One Thousand Two Hundred and Forty-Three in Base 25 Pentavigesimal
21244
18oj25
Twenty-One Thousand Two Hundred and Forty-Four in Base 25 Pentavigesimal
21245
18ok25
Twenty-One Thousand Two Hundred 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.

2.1242e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000i9i7an1klim625

The reciprocal of 21242 in Base 25 Pentavigesimal.

Palindrome?

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

The number 18oh25 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand two hundred 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.

Twenty-one thousand two hundred 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 twenty-one thousand two hundred and forty-two has the following 4 prime factors:

2
225
Two in Base 25 Pentavigesimal
13
d25
Thirteen in Base 25 Pentavigesimal
19
j25
Nineteen in Base 25 Pentavigesimal
43
1i25
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

2251 · d251 · j251 · 1i251 = 18oh25

Base Conversions

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