5 × 131 × 977

Prime Factor Structure

Factorization String 5 × 131 × 977

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 774,576

Proper Divisor Sum 134,641

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #639911 ← → #639937

1 5 131 655 977 4,885 127,987 639,935

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

639,935 1,919,806 959,903 2,879,710 1,439,855 4,319,566 2,159,783 6,479,350 3,239,675 9,719,026 4,859,513 14,578,540 7,289,270 3,644,635 10,933,906 5,466,953 16,400,860 8,200,430 4,100,215 12,300,646 6,150,323 18,450,970 9,225,485 27,676,456 13,838,228 6,919,114 3,459,557 10,378,672 5,189,336 2,594,668 1,297,334 648,667 1,946,002 973,001 2,919,004 1,459,502 729,751 2,189,254 1,094,627 3,283,882 1,641,941 4,925,824 2,462,912 1,231,456 615,728 307,864 153,932 76,966 38,483 115,450 57,725 173,176 86,588 43,294 21,647 64,942 32,471 97,414 48,707 146,122

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