1,521,920

2⁸ × 5 × 29 × 41

Prime Factor Structure

Factorization String 2^8 × 5 × 29 × 41

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 72

Divisor Sum (σ) 3,863,160

Proper Divisor Sum 2,341,240

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1521913 ← → #1521937

1 2 4 5 8 10 16 20 29 32 40 41 58 64 80 82 116 128 145 160 164 205 232 256 290 320 328 410 464 580 640 656 820 928 1,160 1,189 1,280 1,312 1,640 1,856 2,320 2,378 2,624 3,280 3,712 4,640 4,756 5,248 5,945 6,560 7,424 9,280 9,512 10,496 11,890 13,120 18,560 19,024 23,780 26,240

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

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