The Number

1381

One Thousand Three Hundred and Eighty-One

In Base 22 Duovigesimal Is

2ih22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

For more familiar numbers: See One Thousand Three Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1378
2ie22
One Thousand Three Hundred and Seventy-Eight in Base 22 Duovigesimal
1379
2if22
One Thousand Three Hundred and Seventy-Nine in Base 22 Duovigesimal
1380
2ig22
One Thousand Three Hundred and Eighty in Base 22 Duovigesimal
1382
2ii22
One Thousand Three Hundred and Eighty-Two in Base 22 Duovigesimal
1383
2ij22
One Thousand Three Hundred and Eighty-Three in Base 22 Duovigesimal
1384
2ik22
One Thousand Three Hundred and Eighty-Four in Base 22 Duovigesimal

Scientific Notation

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

1.381e3

Reciprocal

A number multiplied with its reciprocal is one.

0.007fdhij6gkjhl822

The reciprocal of 1381 in Base 22 Duovigesimal.

Palindrome?

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

The number 2ih22 is not a palindrome.

A Prime Number

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

One thousand three hundred and eighty-one is the 221st prime number.   See primes in Base 22 Duovigesimal

Not A Composite

Composites have more than just these two factors.

One Thousand Three Hundred and Eighty-One is not a composite number because it has exactly two factors: One and One Thousand Three Hundred and Eighty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand three hundred and eighty-one has the following 1 prime factor:

1381
2ih22
One Thousand Three Hundred and Eighty-One in Base 22 Duovigesimal

Prime Factorization

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

2ih221 = 2ih22

Base Conversions

The number one thousand three hundred and eighty-one in 35 different bases