13,615,565

5 × 2723113

13,615,565 factors as 5 × 2723113. Its 4 positive divisors give a proper-divisor sum of 2,723,119, so this integer is deficient. The Collatz stopping time is 117 steps.

Prime Factor Structure

Factorization String 5 × 2723113

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 16,338,684

Proper Divisor Sum 2,723,119

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #13615559 ← → #13615573

Radix Representation

Decimal	13615565
Binary	110011111100000111001101 (24 bits)
Octal	0o63740715
Hexadecimal	0xCFC1CD

Divisor Catalog (4)

1 5 2,723,113 13,615,565

Collatz Trajectory (117 steps to reach 1)

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

13,615,565 40,846,696 20,423,348 10,211,674 5,105,837 15,317,512 7,658,756 3,829,378 1,914,689 5,744,068 2,872,034 1,436,017 4,308,052 2,154,026 1,077,013 3,231,040 1,615,520 807,760 403,880 201,940 100,970 50,485 151,456 75,728 37,864 18,932 9,466 4,733 14,200 7,100 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402

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