The Number

1978

One Thousand Nine Hundred and Seventy-Eight

In Base 20 Vigesimal Is

4ii20

The numbers with a 20 subscript use Base 20 Vigesimal 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
4if20
One Thousand Nine Hundred and Seventy-Five in Base 20 Vigesimal
1976
4ig20
One Thousand Nine Hundred and Seventy-Six in Base 20 Vigesimal
1977
4ih20
One Thousand Nine Hundred and Seventy-Seven in Base 20 Vigesimal
1979
4ij20
One Thousand Nine Hundred and Seventy-Nine in Base 20 Vigesimal
1980
4j020
One Thousand Nine Hundred and Eighty in Base 20 Vigesimal
1981
4j120
One Thousand Nine Hundred and Eighty-One in Base 20 Vigesimal

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.

0.0040hfi60aa657c20

The reciprocal of 1978 in Base 20 Vigesimal.

Palindrome?

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

The number 4ii20 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
23
1320
Twenty-Three in Base 20 Vigesimal
43
2320
Forty-Three in Base 20 Vigesimal

Prime Factorization

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

2201 · 13201 · 23201 = 4ii20

Base Conversions

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