2⁶ × 5 × 13 × 67

Prime Factor Structure

Factorization String 2^6 × 5 × 13 × 67

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 56

Divisor Sum (σ) 725,424

Proper Divisor Sum 446,704

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #278717 ← → #278741

1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 67 80 104 130 134 160 208 260 268 320 335 416 520 536 670 832 871 1,040 1,072 1,340 1,742 2,080 2,144 2,680 3,484 4,160 4,288 4,355 5,360 6,968 8,710 10,720 13,936 17,420 21,440 27,872 34,840 55,744 69,680 139,360 278,720

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

278,720 139,360 69,680 34,840 17,420 8,710 4,355 13,066 6,533 19,600 9,800 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104 1,552 776 388 194 97 292 146 73 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310

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