λ
Sigma Notebook

7,021,979

7021979
Deficient Odd Prime

7,021,979 is odd and not a perfect square. Its factorization is 7021979 and its 2 divisors sum to 7,021,980.

Prime Factor Structure

Factorization String 7021979
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 7,021,980
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #7021951 ← → #7021981

Radix Representation

Decimal 7021979
Binary 11010110010010110011011 (23 bits)
Octal 0o32622633
Hexadecimal 0x6B259B

Divisor Catalog (2)

Collatz Trajectory (178 steps to reach 1)

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

7,021,979 21,065,938 10,532,969 31,598,908 15,799,454 7,899,727 23,699,182 11,849,591 35,548,774 17,774,387 53,323,162 26,661,581 79,984,744 39,992,372 19,996,186 9,998,093 29,994,280 14,997,140 7,498,570 3,749,285 11,247,856 5,623,928 2,811,964 1,405,982 702,991 2,108,974 1,054,487 3,163,462 1,581,731 4,745,194 2,372,597 7,117,792 3,558,896 1,779,448 889,724 444,862 222,431 667,294 333,647 1,000,942 500,471 1,501,414 750,707 2,252,122 1,126,061 3,378,184 1,689,092 844,546 422,273 1,266,820 633,410 316,705 950,116 475,058 237,529 712,588 356,294 178,147 534,442 267,221

More profiles

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