The Number

1978

One Thousand Nine Hundred and Seventy-Eight

In Base 12 Duodecimal Is

118a12

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

For more familiar numbers: See One Thousand Nine Hundred and Seventy-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1975
118712
One Thousand Nine Hundred and Seventy-Five in Base 12 Duodecimal
1976
118812
One Thousand Nine Hundred and Seventy-Six in Base 12 Duodecimal
1977
118912
One Thousand Nine Hundred and Seventy-Seven in Base 12 Duodecimal
1979
118b12
One Thousand Nine Hundred and Seventy-Nine in Base 12 Duodecimal
1980
119012
One Thousand Nine Hundred and Eighty in Base 12 Duodecimal
1981
119112
One Thousand Nine Hundred and Eighty-One in Base 12 Duodecimal

Scientific Notation

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

1.978e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000a597207343b910612

The reciprocal of 1978 in Base 12 Duodecimal.

Palindrome?

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

The number 118a12 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 nine hundred and seventy-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and seventy-eight 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 one thousand nine hundred and seventy-eight has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
23
1b12
Twenty-Three in Base 12 Duodecimal
43
3712
Forty-Three in Base 12 Duodecimal

Prime Factorization

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

2121 · 1b121 · 37121 = 118a12

Base Conversions

The number one thousand nine hundred and seventy-eight in 35 different bases