865,415

5 × 73 × 2371

865,415 factors as 5 × 73 × 2371. Its 8 positive divisors give a proper-divisor sum of 187,753, so this integer is deficient. The Collatz stopping time is 69 steps.

Prime Factor Structure

Factorization String 5 × 73 × 2371

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,053,168

Proper Divisor Sum 187,753

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #865409 ← → #865457

Radix Representation

Decimal	865415
Binary	11010011010010000111 (20 bits)
Octal	0o3232207
Hexadecimal	0xD3487

Divisor Catalog (8)

1 5 73 365 2,371 11,855 173,083 865,415

Collatz Trajectory (69 steps to reach 1)

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

865,415 2,596,246 1,298,123 3,894,370 1,947,185 5,841,556 2,920,778 1,460,389 4,381,168 2,190,584 1,095,292 547,646 273,823 821,470 410,735 1,232,206 616,103 1,848,310 924,155 2,772,466 1,386,233 4,158,700 2,079,350 1,039,675 3,119,026 1,559,513 4,678,540 2,339,270 1,169,635 3,508,906 1,754,453 5,263,360 2,631,680 1,315,840 657,920 328,960 164,480 82,240 41,120 20,560 10,280 5,140 2,570 1,285 3,856 1,928 964 482 241 724 362 181 544 272 136 68 34 17 52 26

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