3 × 31 × 43 × 491

Prime Factor Structure

Factorization String 3 × 31 × 43 × 491

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,770,944

Proper Divisor Sum 807,435

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1963471 ← → #1963513

1 3 31 43 93 129 491 1,333 1,473 3,999 15,221 21,113 45,663 63,339 654,503 1,963,509

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

1,963,509 5,890,528 2,945,264 1,472,632 736,316 368,158 184,079 552,238 276,119 828,358 414,179 1,242,538 621,269 1,863,808 931,904 465,952 232,976 116,488 58,244 29,122 14,561 43,684 21,842 10,921 32,764 16,382 8,191 24,574 12,287 36,862 18,431 55,294 27,647 82,942 41,471 124,414 62,207 186,622 93,311 279,934 139,967 419,902 209,951 629,854 314,927 944,782 472,391 1,417,174 708,587 2,125,762 1,062,881 3,188,644 1,594,322 797,161 2,391,484 1,195,742 597,871 1,793,614 896,807 2,690,422

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.