406,575

3² × 5² × 13 × 139

Prime Factor Structure

Factorization String 3^2 × 5^2 × 13 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 36

Divisor Sum (σ) 789,880

Proper Divisor Sum 383,305

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #406573 ← → #406577

1 3 5 9 13 15 25 39 45 65 75 117 139 195 225 325 417 585 695 975 1,251 1,807 2,085 2,925 3,475 5,421 6,255 9,035 10,425 16,263 27,105 31,275 45,175 81,315 135,525 406,575

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

406,575 1,219,726 609,863 1,829,590 914,795 2,744,386 1,372,193 4,116,580 2,058,290 1,029,145 3,087,436 1,543,718 771,859 2,315,578 1,157,789 3,473,368 1,736,684 868,342 434,171 1,302,514 651,257 1,953,772 976,886 488,443 1,465,330 732,665 2,197,996 1,098,998 549,499 1,648,498 824,249 2,472,748 1,236,374 618,187 1,854,562 927,281 2,781,844 1,390,922 695,461 2,086,384 1,043,192 521,596 260,798 130,399 391,198 195,599 586,798 293,399 880,198 440,099 1,320,298 660,149 1,980,448 990,224 495,112 247,556 123,778 61,889 185,668 92,834

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