747,405

3² × 5 × 17 × 977

Prime Factor Structure

Factorization String 3^2 × 5 × 17 × 977

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 1,373,112

Proper Divisor Sum 625,707

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #747401 ← → #747407

1 3 5 9 15 17 45 51 85 153 255 765 977 2,931 4,885 8,793 14,655 16,609 43,965 49,827 83,045 149,481 249,135 747,405

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

747,405 2,242,216 1,121,108 560,554 280,277 840,832 420,416 210,208 105,104 52,552 26,276 13,138 6,569 19,708 9,854 4,927 14,782 7,391 22,174 11,087 33,262 16,631 49,894 24,947 74,842 37,421 112,264 56,132 28,066 14,033 42,100 21,050 10,525 31,576 15,788 7,894 3,947 11,842 5,921 17,764 8,882 4,441 13,324 6,662 3,331 9,994 4,997 14,992 7,496 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583 4,750

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