The Number

21518

Twenty-One Thousand Five Hundred and Eightteen

In Base 5 Quinary Is

11420335

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

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

Nearby Numbers

Positive, nonzero integers within three units

21515
11420305
Twenty-One Thousand Five Hundred and Fifteen in Base 5 Quinary
21516
11420315
Twenty-One Thousand Five Hundred and Sixteen in Base 5 Quinary
21517
11420325
Twenty-One Thousand Five Hundred and Seventeen in Base 5 Quinary
21519
11420345
Twenty-One Thousand Five Hundred and Nineteen in Base 5 Quinary
21520
11420405
Twenty-One Thousand Five Hundred and Twenty in Base 5 Quinary
21521
11420415
Twenty-One Thousand Five Hundred and Twenty-One in Base 5 Quinary

Scientific Notation

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

2.1518e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000330340414414413201420045

The reciprocal of 21518 in Base 5 Quinary.

Palindrome?

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

The number 11420335 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 five hundred and eightteen is a composite number with 16 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 five hundred and eightteen 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 five hundred and eightteen has the following 4 prime factors:

2
25
Two in Base 5 Quinary
7
125
Seven in Base 5 Quinary
29
1045
Twenty-Nine 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 · 1251 · 10451 · 20351 = 11420335

Base Conversions

The number twenty-one thousand five hundred and eightteen in 35 different bases