5 × 31 × 4129

Prime Factor Structure

Factorization String 5 × 31 × 4129

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 792,960

Proper Divisor Sum 152,965

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #639983 ← → #639997

1 5 31 155 4,129 20,645 127,999 639,995

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

639,995 1,919,986 959,993 2,879,980 1,439,990 719,995 2,159,986 1,079,993 3,239,980 1,619,990 809,995 2,429,986 1,214,993 3,644,980 1,822,490 911,245 2,733,736 1,366,868 683,434 341,717 1,025,152 512,576 256,288 128,144 64,072 32,036 16,018 8,009 24,028 12,014 6,007 18,022 9,011 27,034 13,517 40,552 20,276 10,138 5,069 15,208 7,604 3,802 1,901 5,704 2,852 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113

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