The Number

1220

One Thousand Two Hundred and Twenty

In Base 31 Untrigesimal Is

18b31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1217
18831
One Thousand Two Hundred and Seventeen in Base 31 Untrigesimal
1218
18931
One Thousand Two Hundred and Eightteen in Base 31 Untrigesimal
1219
18a31
One Thousand Two Hundred and Nineteen in Base 31 Untrigesimal
1221
18c31
One Thousand Two Hundred and Twenty-One in Base 31 Untrigesimal
1222
18d31
One Thousand Two Hundred and Twenty-Two in Base 31 Untrigesimal
1223
18e31
One Thousand Two Hundred and Twenty-Three in Base 31 Untrigesimal

Scientific Notation

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

1.220e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00ocug1195b6b31

The reciprocal of 1220 in Base 31 Untrigesimal.

Palindrome?

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

The number 18b31 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 twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and twenty is a composite number with 12 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 twenty has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
61
1u31
Sixty-One in Base 31 Untrigesimal

Prime Factorization

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

2312 · 5311 · 1u311 = 18b31

Base Conversions

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