The Number

1290

One Thousand Two Hundred and Ninety

In Base 21 Unovigesimal Is

2j921

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

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

Nearby Numbers

Positive, nonzero integers within three units

1287
2j621
One Thousand Two Hundred and Eighty-Seven in Base 21 Unovigesimal
1288
2j721
One Thousand Two Hundred and Eighty-Eight in Base 21 Unovigesimal
1289
2j821
One Thousand Two Hundred and Eighty-Nine in Base 21 Unovigesimal
1291
2ja21
One Thousand Two Hundred and Ninety-One in Base 21 Unovigesimal
1292
2jb21
One Thousand Two Hundred and Ninety-Two in Base 21 Unovigesimal
1293
2jc21
One Thousand Two Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

1.290e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0073fk7e073fk7721

The reciprocal of 1290 in Base 21 Unovigesimal.

Palindrome?

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

The number 2j921 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 ninety 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 ninety 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 ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
43
2121
Forty-Three 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 · 5211 · 21211 = 2j921

Base Conversions

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