2² × 5 × 7 × 17 × 131

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 17 × 131

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 798,336

Proper Divisor Sum 486,556

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #311749 ← → #311791

1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 131 140 170 238 262 340 476 524 595 655 917 1,190 1,310 1,834 2,227 2,380 2,620 3,668 4,454 4,585 8,908 9,170 11,135 15,589 18,340 22,270 31,178 44,540 62,356 77,945 155,890 311,780

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

311,780 155,890 77,945 233,836 116,918 58,459 175,378 87,689 263,068 131,534 65,767 197,302 98,651 295,954 147,977 443,932 221,966 110,983 332,950 166,475 499,426 249,713 749,140 374,570 187,285 561,856 280,928 140,464 70,232 35,116 17,558 8,779 26,338 13,169 39,508 19,754 9,877 29,632 14,816 7,408 3,704 1,852 926 463 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644 1,322 661 1,984

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