3² × 7² × 1217

Prime Factor Structure

Factorization String 3^2 × 7^2 × 1217

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 902,538

Proper Divisor Sum 365,841

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #536687 ← → #536699

1 3 7 9 21 49 63 147 441 1,217 3,651 8,519 10,953 25,557 59,633 76,671 178,899 536,697

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

536,697 1,610,092 805,046 402,523 1,207,570 603,785 1,811,356 905,678 452,839 1,358,518 679,259 2,037,778 1,018,889 3,056,668 1,528,334 764,167 2,292,502 1,146,251 3,438,754 1,719,377 5,158,132 2,579,066 1,289,533 3,868,600 1,934,300 967,150 483,575 1,450,726 725,363 2,176,090 1,088,045 3,264,136 1,632,068 816,034 408,017 1,224,052 612,026 306,013 918,040 459,020 229,510 114,755 344,266 172,133 516,400 258,200 129,100 64,550 32,275 96,826 48,413 145,240 72,620 36,310 18,155 54,466 27,233 81,700 40,850 20,425

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