3⁴ × 7 × 11 × 13

Prime Factor Structure

Factorization String 3^4 × 7 × 11 × 13

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 162,624

Proper Divisor Sum 81,543

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #81077 ← → #81083

1 3 7 9 11 13 21 27 33 39 63 77 81 91 99 117 143 189 231 273 297 351 429 567 693 819 891 1,001 1,053 1,287 2,079 2,457 3,003 3,861 6,237 7,371 9,009 11,583 27,027 81,081

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

81,081 243,244 121,622 60,811 182,434 91,217 273,652 136,826 68,413 205,240 102,620 51,310 25,655 76,966 38,483 115,450 57,725 173,176 86,588 43,294 21,647 64,942 32,471 97,414 48,707 146,122 73,061 219,184 109,592 54,796 27,398 13,699 41,098 20,549 61,648 30,824 15,412 7,706 3,853 11,560 5,780 2,890 1,445 4,336 2,168 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86

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