7,720,161

3 × 37 × 157 × 443

Prime Factor Structure

Factorization String 3 × 37 × 157 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 10,663,104

Proper Divisor Sum 2,942,943

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #7720151 ← → #7720171

1 3 37 111 157 443 471 1,329 5,809 16,391 17,427 49,173 69,551 208,653 2,573,387 7,720,161

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

7,720,161 23,160,484 11,580,242 5,790,121 17,370,364 8,685,182 4,342,591 13,027,774 6,513,887 19,541,662 9,770,831 29,312,494 14,656,247 43,968,742 21,984,371 65,953,114 32,976,557 98,929,672 49,464,836 24,732,418 12,366,209 37,098,628 18,549,314 9,274,657 27,823,972 13,911,986 6,955,993 20,867,980 10,433,990 5,216,995 15,650,986 7,825,493 23,476,480 11,738,240 5,869,120 2,934,560 1,467,280 733,640 366,820 183,410 91,705 275,116 137,558 68,779 206,338 103,169 309,508 154,754 77,377 232,132 116,066 58,033 174,100 87,050 43,525 130,576 65,288 32,644 16,322 8,161

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