The Number

1247

One Thousand Two Hundred and Forty-Seven

In Base 21 Unovigesimal Is

2h821

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

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

Nearby Numbers

Positive, nonzero integers within three units

1244
2h521
One Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
1245
2h621
One Thousand Two Hundred and Forty-Five in Base 21 Unovigesimal
1246
2h721
One Thousand Two Hundred and Forty-Six in Base 21 Unovigesimal
1248
2h921
One Thousand Two Hundred and Forty-Eight in Base 21 Unovigesimal
1249
2ha21
One Thousand Two Hundred and Forty-Nine in Base 21 Unovigesimal
1250
2hb21
One Thousand Two Hundred and Fifty in Base 21 Unovigesimal

Scientific Notation

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

1.247e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0078k2k51ghdd221

The reciprocal of 1247 in Base 21 Unovigesimal.

Palindrome?

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

The number 2h821 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 forty-seven is a composite number with 4 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 forty-seven 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 forty-seven has the following 2 prime factors:

29
1821
Twenty-Nine 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

18211 · 21211 = 2h821

Base Conversions

The number one thousand two hundred and forty-seven in 35 different bases