7 × 19 × 21187

Prime Factor Structure

Factorization String 7 × 19 × 21187

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,390,080

Proper Divisor Sum 572,209

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2817847 ← → #2817877

1 7 19 133 21,187 148,309 402,553 2,817,871

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

2,817,871 8,453,614 4,226,807 12,680,422 6,340,211 19,020,634 9,510,317 28,530,952 14,265,476 7,132,738 3,566,369 10,699,108 5,349,554 2,674,777 8,024,332 4,012,166 2,006,083 6,018,250 3,009,125 9,027,376 4,513,688 2,256,844 1,128,422 564,211 1,692,634 846,317 2,538,952 1,269,476 634,738 317,369 952,108 476,054 238,027 714,082 357,041 1,071,124 535,562 267,781 803,344 401,672 200,836 100,418 50,209 150,628 75,314 37,657 112,972 56,486 28,243 84,730 42,365 127,096 63,548 31,774 15,887 47,662 23,831 71,494 35,747 107,242

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