2 × 5 × 139 × 487

Prime Factor Structure

Factorization String 2 × 5 × 139 × 487

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,229,760

Proper Divisor Sum 552,830

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #676927 ← → #676931

1 2 5 10 139 278 487 695 974 1,390 2,435 4,870 67,693 135,386 338,465 676,930

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

676,930 338,465 1,015,396 507,698 253,849 761,548 380,774 190,387 571,162 285,581 856,744 428,372 214,186 107,093 321,280 160,640 80,320 40,160 20,080 10,040 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397 10,192 5,096 2,548 1,274 637 1,912 956 478 239 718

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