The Number

20145

Twenty Thousand One Hundred and Forty-Five

In Base 12 Duodecimal Is

b7a912

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20142
b7a612
Twenty Thousand One Hundred and Forty-Two in Base 12 Duodecimal
20143
b7a712
Twenty Thousand One Hundred and Forty-Three in Base 12 Duodecimal
20144
b7a812
Twenty Thousand One Hundred and Forty-Four in Base 12 Duodecimal
20146
b7aa12
Twenty Thousand One Hundred and Forty-Six in Base 12 Duodecimal
20147
b7ab12
Twenty Thousand One Hundred and Forty-Seven in Base 12 Duodecimal
20148
b7b012
Twenty Thousand One Hundred and Forty-Eight in Base 12 Duodecimal

Scientific Notation

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

2.0145e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000104284087b68220a12

The reciprocal of 20145 in Base 12 Duodecimal.

Palindrome?

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

The number b7a912 is not a palindrome.

Not A Prime Number

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

Twenty thousand one hundred and forty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand one hundred and forty-five 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 twenty thousand one hundred and forty-five has the following 4 prime factors:

3
312
Three in Base 12 Duodecimal
5
512
Five in Base 12 Duodecimal
17
1512
Seventeen in Base 12 Duodecimal
79
6712
Seventy-Nine in Base 12 Duodecimal

Prime Factorization

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

3121 · 5121 · 15121 · 67121 = b7a912

Base Conversions

The number twenty thousand one hundred and forty-five in 35 different bases