2⁷ × 5 × 7 × 89

Prime Factor Structure

Factorization String 2^7 × 5 × 7 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 1,101,600

Proper Divisor Sum 702,880

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #398711 ← → #398729

1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 89 112 128 140 160 178 224 280 320 356 445 448 560 623 640 712 890 896 1,120 1,246 1,424 1,780 2,240 2,492 2,848 3,115 3,560 4,480 4,984 5,696 6,230 7,120 9,968 11,392 12,460 14,240 19,936 24,920 28,480 39,872 49,840 56,960

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

398,720 199,360 99,680 49,840 24,920 12,460 6,230 3,115 9,346 4,673 14,020 7,010 3,505 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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