The Number

21442

Twenty-One Thousand Four Hundred and Forty-Two

In Base 13 Tridecimal Is

99b513

The numbers with a 13 subscript use Base 13 Tridecimal 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
99b213
Twenty-One Thousand Four Hundred and Thirty-Nine in Base 13 Tridecimal
21440
99b313
Twenty-One Thousand Four Hundred and Forty in Base 13 Tridecimal
21441
99b413
Twenty-One Thousand Four Hundred and Forty-One in Base 13 Tridecimal
21443
99b613
Twenty-One Thousand Four Hundred and Forty-Three in Base 13 Tridecimal
21444
99b713
Twenty-One Thousand Four Hundred and Forty-Four in Base 13 Tridecimal
21445
99b813
Twenty-One Thousand Four Hundred and Forty-Five in Base 13 Tridecimal

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.

0.00014415792a6bb4c113

The reciprocal of 21442 in Base 13 Tridecimal.

Palindrome?

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

The number 99b513 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 13 Tridecimal

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
213
Two in Base 13 Tridecimal
71
5613
Seventy-One in Base 13 Tridecimal
151
b813
One Hundred and Fifty-One in Base 13 Tridecimal

Prime Factorization

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

2131 · 56131 · b8131 = 99b513

Base Conversions

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