2³ × 5 × 7 × 277

Prime Factor Structure

Factorization String 2^3 × 5 × 7 × 277

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 200,160

Proper Divisor Sum 122,600

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #77557 ← → #77563

1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 277 280 554 1,108 1,385 1,939 2,216 2,770 3,878 5,540 7,756 9,695 11,080 15,512 19,390 38,780 77,560

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

77,560 38,780 19,390 9,695 29,086 14,543 43,630 21,815 65,446 32,723 98,170 49,085 147,256 73,628 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210 13,105 39,316 19,658 9,829 29,488 14,744 7,372 3,686 1,843 5,530 2,765 8,296 4,148 2,074 1,037 3,112 1,556 778 389 1,168 584 292 146 73 220 110 55 166 83

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