77,990

2 × 5 × 11 × 709

Prime Factor Structure

Factorization String 2 × 5 × 11 × 709

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 153,360

Proper Divisor Sum 75,370

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #77983 ← → #77999

1 2 5 10 11 22 55 110 709 1,418 3,545 7,090 7,799 15,598 38,995 77,990

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

77,990 38,995 116,986 58,493 175,480 87,740 43,870 21,935 65,806 32,903 98,710 49,355 148,066 74,033 222,100 111,050 55,525 166,576 83,288 41,644 20,822 10,411 31,234 15,617 46,852 23,426 11,713 35,140 17,570 8,785 26,356 13,178 6,589 19,768 9,884 4,942 2,471 7,414 3,707 11,122 5,561 16,684 8,342 4,171 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83

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