408,243

3 × 11 × 89 × 139

Prime Factor Structure

Factorization String 3 × 11 × 89 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 604,800

Proper Divisor Sum 196,557

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #408241 ← → #408251

1 3 11 33 89 139 267 417 979 1,529 2,937 4,587 12,371 37,113 136,081 408,243

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

408,243 1,224,730 612,365 1,837,096 918,548 459,274 229,637 688,912 344,456 172,228 86,114 43,057 129,172 64,586 32,293 96,880 48,440 24,220 12,110 6,055 18,166 9,083 27,250 13,625 40,876 20,438 10,219 30,658 15,329 45,988 22,994 11,497 34,492 17,246 8,623 25,870 12,935 38,806 19,403 58,210 29,105 87,316 43,658 21,829 65,488 32,744 16,372 8,186 4,093 12,280 6,140 3,070 1,535 4,606 2,303 6,910 3,455 10,366 5,183 15,550

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