The Number

1218

One Thousand Two Hundred and Eightteen

In Base 21 Unovigesimal Is

2g021

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

For more familiar numbers: See One Thousand Two Hundred and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1215
2fi21
One Thousand Two Hundred and Fifteen in Base 21 Unovigesimal
1216
2fj21
One Thousand Two Hundred and Sixteen in Base 21 Unovigesimal
1217
2fk21
One Thousand Two Hundred and Seventeen in Base 21 Unovigesimal
1219
2g121
One Thousand Two Hundred and Nineteen in Base 21 Unovigesimal
1220
2g221
One Thousand Two Hundred and Twenty in Base 21 Unovigesimal
1221
2g321
One Thousand Two Hundred and Twenty-One in Base 21 Unovigesimal

Scientific Notation

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

1.218e3

Reciprocal

A number multiplied with its reciprocal is one.

0.007ce2b4ehfbjj721

The reciprocal of 1218 in Base 21 Unovigesimal.

Palindrome?

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

The number 2g021 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand two hundred and eightteen is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One thousand two 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 one thousand two hundred and eightteen has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
29
1821
Twenty-Nine 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 · 3211 · 7211 · 18211 = 2g021

Base Conversions

The number one thousand two hundred and eightteen in 35 different bases