403,465

5 × 19 × 31 × 137

Prime Factor Structure

Factorization String 5 × 19 × 31 × 137

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 529,920

Proper Divisor Sum 126,455

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #403439 ← → #403483

1 5 19 31 95 137 155 589 685 2,603 2,945 4,247 13,015 21,235 80,693 403,465

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

403,465 1,210,396 605,198 302,599 907,798 453,899 1,361,698 680,849 2,042,548 1,021,274 510,637 1,531,912 765,956 382,978 191,489 574,468 287,234 143,617 430,852 215,426 107,713 323,140 161,570 80,785 242,356 121,178 60,589 181,768 90,884 45,442 22,721 68,164 34,082 17,041 51,124 25,562 12,781 38,344 19,172 9,586 4,793 14,380 7,190 3,595 10,786 5,393 16,180 8,090 4,045 12,136 6,068 3,034 1,517 4,552 2,276 1,138 569 1,708 854 427

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