398,619

3² × 13 × 3407

Prime Factor Structure

Factorization String 3^2 × 13 × 3407

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 620,256

Proper Divisor Sum 221,637

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #398611 ← → #398621

1 3 9 13 39 117 3,407 10,221 30,663 44,291 132,873 398,619

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

398,619 1,195,858 597,929 1,793,788 896,894 448,447 1,345,342 672,671 2,018,014 1,009,007 3,027,022 1,513,511 4,540,534 2,270,267 6,810,802 3,405,401 10,216,204 5,108,102 2,554,051 7,662,154 3,831,077 11,493,232 5,746,616 2,873,308 1,436,654 718,327 2,154,982 1,077,491 3,232,474 1,616,237 4,848,712 2,424,356 1,212,178 606,089 1,818,268 909,134 454,567 1,363,702 681,851 2,045,554 1,022,777 3,068,332 1,534,166 767,083 2,301,250 1,150,625 3,451,876 1,725,938 862,969 2,588,908 1,294,454 647,227 1,941,682 970,841 2,912,524 1,456,262 728,131 2,184,394 1,092,197 3,276,592

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