2³ × 5 × 13² × 97

Prime Factor Structure

Factorization String 2^3 × 5 × 13^2 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,614,060

Proper Divisor Sum 958,340

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #655717 ← → #655723

1 2 4 5 8 10 13 20 26 40 52 65 97 104 130 169 194 260 338 388 485 520 676 776 845 970 1,261 1,352 1,690 1,940 2,522 3,380 3,880 5,044 6,305 6,760 10,088 12,610 16,393 25,220 32,786 50,440 65,572 81,965 131,144 163,930 327,860 655,720

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

655,720 327,860 163,930 81,965 245,896 122,948 61,474 30,737 92,212 46,106 23,053 69,160 34,580 17,290 8,645 25,936 12,968 6,484 3,242 1,621 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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