3² × 13 × 19 × 41

Prime Factor Structure

Factorization String 3^2 × 13 × 19 × 41

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 152,880

Proper Divisor Sum 61,737

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #91141 ← → #91151

1 3 9 13 19 39 41 57 117 123 171 247 369 533 741 779 1,599 2,223 2,337 4,797 7,011 10,127 30,381 91,143

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

91,143 273,430 136,715 410,146 205,073 615,220 307,610 153,805 461,416 230,708 115,354 57,677 173,032 86,516 43,258 21,629 64,888 32,444 16,222 8,111 24,334 12,167 36,502 18,251 54,754 27,377 82,132 41,066 20,533 61,600 30,800 15,400 7,700 3,850 1,925 5,776 2,888 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98

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