220,059

3² × 7² × 499

Prime Factor Structure

Factorization String 3^2 × 7^2 × 499

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 18

Divisor Sum (σ) 370,500

Proper Divisor Sum 150,441

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #220057 ← → #220063

1 3 7 9 21 49 63 147 441 499 1,497 3,493 4,491 10,479 24,451 31,437 73,353 220,059

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

220,059 660,178 330,089 990,268 495,134 247,567 742,702 371,351 1,114,054 557,027 1,671,082 835,541 2,506,624 1,253,312 626,656 313,328 156,664 78,332 39,166 19,583 58,750 29,375 88,126 44,063 132,190 66,095 198,286 99,143 297,430 148,715 446,146 223,073 669,220 334,610 167,305 501,916 250,958 125,479 376,438 188,219 564,658 282,329 846,988 423,494 211,747 635,242 317,621 952,864 476,432 238,216 119,108 59,554 29,777 89,332 44,666 22,333 67,000 33,500 16,750 8,375

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