The Number

1205

One Thousand Two Hundred and Five

In Base 31 Untrigesimal Is

17r31

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

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

Nearby Numbers

Positive, nonzero integers within three units

1202
17o31
One Thousand Two Hundred and Two in Base 31 Untrigesimal
1203
17p31
One Thousand Two Hundred and Three in Base 31 Untrigesimal
1204
17q31
One Thousand Two Hundred and Four in Base 31 Untrigesimal
1206
17s31
One Thousand Two Hundred and Six in Base 31 Untrigesimal
1207
17t31
One Thousand Two Hundred and Seven in Base 31 Untrigesimal
1208
17u31
One Thousand Two Hundred and Eight in Base 31 Untrigesimal

Scientific Notation

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

1.205e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00omcjhs22igt31

The reciprocal of 1205 in Base 31 Untrigesimal.

Palindrome?

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

The number 17r31 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 five is a composite number with 4 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 five is a composite number with 4 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 five has the following 2 prime factors:

5
531
Five in Base 31 Untrigesimal
241
7o31
Two Hundred and Forty-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

5311 · 7o311 = 17r31

Base Conversions

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