The Number

2145

Two Thousand One Hundred and Forty-Five

In Base 19 Nonadecimal Is

5hh19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

2142
5he19
Two Thousand One Hundred and Forty-Two in Base 19 Nonadecimal
2143
5hf19
Two Thousand One Hundred and Forty-Three in Base 19 Nonadecimal
2144
5hg19
Two Thousand One Hundred and Forty-Four in Base 19 Nonadecimal
2146
5hi19
Two Thousand One Hundred and Forty-Six in Base 19 Nonadecimal
2147
5i019
Two Thousand One Hundred and Forty-Seven in Base 19 Nonadecimal
2148
5i119
Two Thousand One Hundred and Forty-Eight in Base 19 Nonadecimal

Scientific Notation

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

2.145e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0033e6f802d31di19

The reciprocal of 2145 in Base 19 Nonadecimal.

Palindrome?

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

The number 5hh19 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and forty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Two 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 two thousand one hundred and forty-five has the following 4 prime factors:

3
319
Three in Base 19 Nonadecimal
5
519
Five in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal
13
d19
Thirteen in Base 19 Nonadecimal

Prime Factorization

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

3191 · 5191 · b191 · d191 = 5hh19

Base Conversions

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