2 × 19² × 557

Prime Factor Structure

Factorization String 2 × 19^2 × 557

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 637,794

Proper Divisor Sum 235,640

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #402139 ← → #402197

1 2 19 38 361 557 722 1,114 10,583 21,166 201,077 402,154

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

402,154 201,077 603,232 301,616 150,808 75,404 37,702 18,851 56,554 28,277 84,832 42,416 21,208 10,604 5,302 2,651 7,954 3,977 11,932 5,966 2,983 8,950 4,475 13,426 6,713 20,140 10,070 5,035 15,106 7,553 22,660 11,330 5,665 16,996 8,498 4,249 12,748 6,374 3,187 9,562 4,781 14,344 7,172 3,586 1,793 5,380 2,690 1,345 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142 71

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