2⁵ × 5 × 31 × 79

Prime Factor Structure

Factorization String 2^5 × 5 × 31 × 79

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 967,680

Proper Divisor Sum 575,840

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #391823 ← → #391847

1 2 4 5 8 10 16 20 31 32 40 62 79 80 124 155 158 160 248 310 316 395 496 620 632 790 992 1,240 1,264 1,580 2,449 2,480 2,528 3,160 4,898 4,960 6,320 9,796 12,245 12,640 19,592 24,490 39,184 48,980 78,368 97,960 195,920 391,840

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

391,840 195,920 97,960 48,980 24,490 12,245 36,736 18,368 9,184 4,592 2,296 1,148 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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