491,122

2 × 245561

491,122 has digital root 1. The neighboring primes are 491083 and 491129; its proper-divisor sum differs from the starting integer by -245,558.

Prime Factor Structure

Factorization String 2 × 245561

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 736,686

Proper Divisor Sum 245,564

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #491083 ← → #491129

1 2 245,561 491,122

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

491,122 245,561 736,684 368,342 184,171 552,514 276,257 828,772 414,386 207,193 621,580 310,790 155,395 466,186 233,093 699,280 349,640 174,820 87,410 43,705 131,116 65,558 32,779 98,338 49,169 147,508 73,754 36,877 110,632 55,316 27,658 13,829 41,488 20,744 10,372 5,186 2,593 7,780 3,890 1,945 5,836 2,918 1,459 4,378 2,189 6,568 3,284 1,642 821 2,464 1,232 616 308 154 77 232 116 58 29 88