2² × 7² × 3491

Prime Factor Structure

Factorization String 2^2 × 7^2 × 3491

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,393,308

Proper Divisor Sum 709,072

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #684221 ← → #684239

1 2 4 7 14 28 49 98 196 3,491 6,982 13,964 24,437 48,874 97,748 171,059 342,118 684,236

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

684,236 342,118 171,059 513,178 256,589 769,768 384,884 192,442 96,221 288,664 144,332 72,166 36,083 108,250 54,125 162,376 81,188 40,594 20,297 60,892 30,446 15,223 45,670 22,835 68,506 34,253 102,760 51,380 25,690 12,845 38,536 19,268 9,634 4,817 14,452 7,226 3,613 10,840 5,420 2,710 1,355 4,066 2,033 6,100 3,050 1,525 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456 728

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