3 × 5 × 7 × 977

Prime Factor Structure

Factorization String 3 × 5 × 7 × 977

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 187,776

Proper Divisor Sum 85,191

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #102563 ← → #102587

1 3 5 7 15 21 35 105 977 2,931 4,885 6,839 14,655 20,517 34,195 102,585

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

102,585 307,756 153,878 76,939 230,818 115,409 346,228 173,114 86,557 259,672 129,836 64,918 32,459 97,378 48,689 146,068 73,034 36,517 109,552 54,776 27,388 13,694 6,847 20,542 10,271 30,814 15,407 46,222 23,111 69,334 34,667 104,002 52,001 156,004 78,002 39,001 117,004 58,502 29,251 87,754 43,877 131,632 65,816 32,908 16,454 8,227 24,682 12,341 37,024 18,512 9,256 4,628 2,314 1,157 3,472 1,736 868 434 217 652

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