The Number

21942

Twenty-One Thousand Nine Hundred and Forty-Two

In Base 5 Quinary Is

12002325

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21939
12002245
Twenty-One Thousand Nine Hundred and Thirty-Nine in Base 5 Quinary
21940
12002305
Twenty-One Thousand Nine Hundred and Forty in Base 5 Quinary
21941
12002315
Twenty-One Thousand Nine Hundred and Forty-One in Base 5 Quinary
21943
12002335
Twenty-One Thousand Nine Hundred and Forty-Three in Base 5 Quinary
21944
12002345
Twenty-One Thousand Nine Hundred and Forty-Four in Base 5 Quinary
21945
12002405
Twenty-One Thousand Nine Hundred and Forty-Five in Base 5 Quinary

Scientific Notation

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

2.1942e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000032400130414133411013325

The reciprocal of 21942 in Base 5 Quinary.

Palindrome?

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

The number 12002325 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 nine hundred and forty-two is a composite number with 24 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and forty-two is a composite number with 24 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 nine hundred and forty-two has the following 4 prime factors:

2
25
Two in Base 5 Quinary
3
35
Three in Base 5 Quinary
23
435
Twenty-Three in Base 5 Quinary
53
2035
Fifty-Three in Base 5 Quinary

Prime Factorization

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

251 · 352 · 4351 · 20351 = 12002325

Base Conversions

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