2 × 13 × 149 × 643

Prime Factor Structure

Factorization String 2 × 13 × 149 × 643

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,057,200

Proper Divisor Sum 1,566,218

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2490973 ← → #2490997

1 2 13 26 149 298 643 1,286 1,937 3,874 8,359 16,718 95,807 191,614 1,245,491 2,490,982

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

2,490,982 1,245,491 3,736,474 1,868,237 5,604,712 2,802,356 1,401,178 700,589 2,101,768 1,050,884 525,442 262,721 788,164 394,082 197,041 591,124 295,562 147,781 443,344 221,672 110,836 55,418 27,709 83,128 41,564 20,782 10,391 31,174 15,587 46,762 23,381 70,144 35,072 17,536 8,768 4,384 2,192 1,096 548 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445

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