618,878

2 × 13² × 1831

Prime Factor Structure

Factorization String 2 × 13^2 × 1831

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 12

Divisor Sum (σ) 1,005,768

Proper Divisor Sum 386,890

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #618869 ← → #618883

1 2 13 26 169 338 1,831 3,662 23,803 47,606 309,439 618,878

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

618,878 309,439 928,318 464,159 1,392,478 696,239 2,088,718 1,044,359 3,133,078 1,566,539 4,699,618 2,349,809 7,049,428 3,524,714 1,762,357 5,287,072 2,643,536 1,321,768 660,884 330,442 165,221 495,664 247,832 123,916 61,958 30,979 92,938 46,469 139,408 69,704 34,852 17,426 8,713 26,140 13,070 6,535 19,606 9,803 29,410 14,705 44,116 22,058 11,029 33,088 16,544 8,272 4,136 2,068 1,034 517 1,552 776 388 194 97 292 146 73 220 110

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