The Number

31218

Thirty-One Thousand Two Hundred and Eightteen

In Base 13 Tridecimal Is

1129513

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

31215
1129213
Thirty-One Thousand Two Hundred and Fifteen in Base 13 Tridecimal
31216
1129313
Thirty-One Thousand Two Hundred and Sixteen in Base 13 Tridecimal
31217
1129413
Thirty-One Thousand Two Hundred and Seventeen in Base 13 Tridecimal
31219
1129613
Thirty-One Thousand Two Hundred and Nineteen in Base 13 Tridecimal
31220
1129713
Thirty-One Thousand Two Hundred and Twenty in Base 13 Tridecimal
31221
1129813
Thirty-One Thousand Two Hundred and Twenty-One in Base 13 Tridecimal

Scientific Notation

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

3.1218e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000bb801a941883a7713

The reciprocal of 31218 in Base 13 Tridecimal.

Palindrome?

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

The number 1129513 is not a palindrome.

Not A Prime Number

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

Thirty-one thousand two hundred and eightteen is a composite number with 24 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Thirty-one thousand two hundred and eightteen 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 thirty-one thousand two hundred and eightteen has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
3
313
Three in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
43
3413
Forty-Three 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 · 3131 · b132 · 34131 = 1129513

Base Conversions

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