The Number

12357

Twelve Thousand Three Hundred and Fifty-Seven

In Base 21 Unovigesimal Is

170921

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

For more familiar numbers: See Twelve Thousand Three Hundred and Fifty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12354
170621
Twelve Thousand Three Hundred and Fifty-Four in Base 21 Unovigesimal
12355
170721
Twelve Thousand Three Hundred and Fifty-Five in Base 21 Unovigesimal
12356
170821
Twelve Thousand Three Hundred and Fifty-Six in Base 21 Unovigesimal
12358
170a21
Twelve Thousand Three Hundred and Fifty-Eight in Base 21 Unovigesimal
12359
170b21
Twelve Thousand Three Hundred and Fifty-Nine in Base 21 Unovigesimal
12360
170c21
Twelve Thousand Three Hundred and Sixty in Base 21 Unovigesimal

Scientific Notation

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

1.2357e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000ffaeah1g590a21

The reciprocal of 12357 in Base 21 Unovigesimal.

Palindrome?

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

The number 170921 is not a palindrome.

Not A Prime Number

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

Twelve thousand three hundred and fifty-seven is a composite number with 6 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand three hundred and fifty-seven is a composite number with 6 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 twelve thousand three hundred and fifty-seven has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
1373
32821
One Thousand Three Hundred and Seventy-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

3212 · 328211 = 170921

Base Conversions

The number twelve thousand three hundred and fifty-seven in 35 different bases