2 × 13 × 67 × 389

Prime Factor Structure

Factorization String 2 × 13 × 67 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,113,840

Proper Divisor Sum 436,202

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #677627 ← → #677639

1 2 13 26 67 134 389 778 871 1,742 5,057 10,114 26,063 52,126 338,819 677,638

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

677,638 338,819 1,016,458 508,229 1,524,688 762,344 381,172 190,586 95,293 285,880 142,940 71,470 35,735 107,206 53,603 160,810 80,405 241,216 120,608 60,304 30,152 15,076 7,538 3,769 11,308 5,654 2,827 8,482 4,241 12,724 6,362 3,181 9,544 4,772 2,386 1,193 3,580 1,790 895 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612 4,306

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