The Number

21442

Twenty-One Thousand Four Hundred and Forty-Two

In Base 21 Unovigesimal Is

26d121

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

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

Nearby Numbers

Positive, nonzero integers within three units

21439
26cj21
Twenty-One Thousand Four Hundred and Thirty-Nine in Base 21 Unovigesimal
21440
26ck21
Twenty-One Thousand Four Hundred and Forty in Base 21 Unovigesimal
21441
26d021
Twenty-One Thousand Four Hundred and Forty-One in Base 21 Unovigesimal
21443
26d221
Twenty-One Thousand Four Hundred and Forty-Three in Base 21 Unovigesimal
21444
26d321
Twenty-One Thousand Four Hundred and Forty-Four in Base 21 Unovigesimal
21445
26d421
Twenty-One Thousand Four Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.1442e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000919j37961di221

The reciprocal of 21442 in Base 21 Unovigesimal.

Palindrome?

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

The number 26d121 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 four hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand four hundred and forty-two is a composite number with 8 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 four hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
71
3821
Seventy-One in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-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

2211 · 38211 · 74211 = 26d121

Base Conversions

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