2² × 5² × 7207

Prime Factor Structure

Factorization String 2^2 × 5^2 × 7207

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,564,136

Proper Divisor Sum 843,436

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #720697 ← → #720703

1 2 4 5 10 20 25 50 100 7,207 14,414 28,828 36,035 72,070 144,140 180,175 360,350 720,700

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

720,700 360,350 180,175 540,526 270,263 810,790 405,395 1,216,186 608,093 1,824,280 912,140 456,070 228,035 684,106 342,053 1,026,160 513,080 256,540 128,270 64,135 192,406 96,203 288,610 144,305 432,916 216,458 108,229 324,688 162,344 81,172 40,586 20,293 60,880 30,440 15,220 7,610 3,805 11,416 5,708 2,854 1,427 4,282 2,141 6,424 3,212 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85 256 128

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