2² × 5 × 97 × 109

Prime Factor Structure

Factorization String 2^2 × 5 × 97 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 452,760

Proper Divisor Sum 241,300

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #211457 ← → #211469

1 2 4 5 10 20 97 109 194 218 388 436 485 545 970 1,090 1,940 2,180 10,573 21,146 42,292 52,865 105,730 211,460

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

211,460 105,730 52,865 158,596 79,298 39,649 118,948 59,474 29,737 89,212 44,606 22,303 66,910 33,455 100,366 50,183 150,550 75,275 225,826 112,913 338,740 169,370 84,685 254,056 127,028 63,514 31,757 95,272 47,636 23,818 11,909 35,728 17,864 8,932 4,466 2,233 6,700 3,350 1,675 5,026 2,513 7,540 3,770 1,885 5,656 2,828 1,414 707 2,122 1,061 3,184 1,592 796 398 199 598 299 898 449 1,348

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