The Number

12123

Twelve Thousand One Hundred and Twenty-Three

In Base 21 Unovigesimal Is

16a621

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

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

Nearby Numbers

Positive, nonzero integers within three units

12120
16a321
Twelve Thousand One Hundred and Twenty in Base 21 Unovigesimal
12121
16a421
Twelve Thousand One Hundred and Twenty-One in Base 21 Unovigesimal
12122
16a521
Twelve Thousand One Hundred and Twenty-Two in Base 21 Unovigesimal
12124
16a721
Twelve Thousand One Hundred and Twenty-Four in Base 21 Unovigesimal
12125
16a821
Twelve Thousand One Hundred and Twenty-Five in Base 21 Unovigesimal
12126
16a921
Twelve Thousand One Hundred and Twenty-Six in Base 21 Unovigesimal

Scientific Notation

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

1.2123e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000g0idiei706i821

The reciprocal of 12123 in Base 21 Unovigesimal.

Palindrome?

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

The number 16a621 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 one hundred and twenty-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand one hundred and twenty-three is a composite number with 8 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 one hundred and twenty-three has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
449
10821
Four Hundred and Forty-Nine in Base 21 Unovigesimal

Prime Factorization

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

3213 · 108211 = 16a621

Base Conversions

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