λ
Sigma Notebook

6,982,981

6982981
Deficient Odd Prime

6,982,981 is odd and not a perfect square. Its factorization is 6982981 and its 2 divisors sum to 6,982,982.

Prime Factor Structure

Factorization String 6982981
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,982,982
Proper Divisor Sum 1
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #6982979 ← → #6982999

Radix Representation

Decimal 6982981
Binary 11010101000110101000101 (23 bits)
Octal 0o32506505
Hexadecimal 0x6A8D45

Divisor Catalog (2)

Collatz Trajectory (129 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

6,982,981 20,948,944 10,474,472 5,237,236 2,618,618 1,309,309 3,927,928 1,963,964 981,982 490,991 1,472,974 736,487 2,209,462 1,104,731 3,314,194 1,657,097 4,971,292 2,485,646 1,242,823 3,728,470 1,864,235 5,592,706 2,796,353 8,389,060 4,194,530 2,097,265 6,291,796 3,145,898 1,572,949 4,718,848 2,359,424 1,179,712 589,856 294,928 147,464 73,732 36,866 18,433 55,300 27,650 13,825 41,476 20,738 10,369 31,108 15,554 7,777 23,332 11,666 5,833 17,500 8,750 4,375 13,126 6,563 19,690 9,845 29,536 14,768 7,384

More profiles

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