The Number

42191

Forty-Two Thousand One Hundred and Ninety-One

In Base 21 Unovigesimal Is

4be221

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42188
4bdk21
Forty-Two Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal
42189
4be021
Forty-Two Thousand One Hundred and Eighty-Nine in Base 21 Unovigesimal
42190
4be121
Forty-Two Thousand One Hundred and Ninety in Base 21 Unovigesimal
42192
4be321
Forty-Two Thousand One Hundred and Ninety-Two in Base 21 Unovigesimal
42193
4be421
Forty-Two Thousand One Hundred and Ninety-Three in Base 21 Unovigesimal
42194
4be521
Forty-Two Thousand One Hundred and Ninety-Four in Base 21 Unovigesimal

Scientific Notation

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

4.2191e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004cggja0g0f0de21

The reciprocal of 42191 in Base 21 Unovigesimal.

Palindrome?

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

The number 4be221 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 one hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Forty-two thousand one hundred and ninety-one is a composite number with 4 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 one hundred and ninety-one has the following 2 prime factors:

31
1a21
Thirty-One in Base 21 Unovigesimal
1361
31h21
One Thousand Three Hundred and Sixty-One in Base 21 Unovigesimal

Prime Factorization

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

1a211 · 31h211 = 4be221

Base Conversions

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