The Number

21986

Twenty-One Thousand Nine Hundred and Eighty-Six

In Base 6 Senary Is

2454426

The numbers with a 6 subscript use Base 6 Senary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21983
2454356
Twenty-One Thousand Nine Hundred and Eighty-Three in Base 6 Senary
21984
2454406
Twenty-One Thousand Nine Hundred and Eighty-Four in Base 6 Senary
21985
2454416
Twenty-One Thousand Nine Hundred and Eighty-Five in Base 6 Senary
21987
2454436
Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 6 Senary
21988
2454446
Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 6 Senary
21989
2454456
Twenty-One Thousand Nine Hundred and Eighty-Nine in Base 6 Senary

Scientific Notation

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

2.1986e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000002042211353450022556

The reciprocal of 21986 in Base 6 Senary.

Palindrome?

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

The number 2454426 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and eighty-six is a composite number with 4 total factors (including 1 and itself).   See primes in Base 6 Senary

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and eighty-six is a composite number with 4 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-one thousand nine hundred and eighty-six has the following 2 prime factors:

2
26
Two in Base 6 Senary
10993
1225216
Ten Thousand Nine Hundred and Ninety-Three in Base 6 Senary

Prime Factorization

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

261 · 12252161 = 2454426

Base Conversions

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