The Number

61981

Sixty-One Thousand Nine Hundred and Eighty-One

In Base 20 Vigesimal Is

7ej120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

61978
7eii20
Sixty-One Thousand Nine Hundred and Seventy-Eight in Base 20 Vigesimal
61979
7eij20
Sixty-One Thousand Nine Hundred and Seventy-Nine in Base 20 Vigesimal
61980
7ej020
Sixty-One Thousand Nine Hundred and Eighty in Base 20 Vigesimal
61982
7ej220
Sixty-One Thousand Nine Hundred and Eighty-Two in Base 20 Vigesimal
61983
7ej320
Sixty-One Thousand Nine Hundred and Eighty-Three in Base 20 Vigesimal
61984
7ej420
Sixty-One Thousand Nine Hundred and Eighty-Four in Base 20 Vigesimal

Scientific Notation

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

6.1981e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002bcb9fjfceijc20

The reciprocal of 61981 in Base 20 Vigesimal.

Palindrome?

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

The number 7ej120 is not a palindrome.

A Prime Number

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

Sixty-one thousand nine hundred and eighty-one is the 6230th prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Sixty-One Thousand Nine Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Sixty-One Thousand Nine Hundred and Eighty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number sixty-one thousand nine hundred and eighty-one has the following 1 prime factor:

61981
7ej120
Sixty-One Thousand Nine Hundred and Eighty-One in Base 20 Vigesimal

Prime Factorization

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

7ej1201 = 7ej120

Base Conversions

The number sixty-one thousand nine hundred and eighty-one in 35 different bases