815,659

13 × 62743

815,659 factors as 13 × 62743. Its 4 positive divisors give a proper-divisor sum of 62,757, so this integer is deficient. The Collatz stopping time is 87 steps.

Prime Factor Structure

Factorization String 13 × 62743

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 878,416

Proper Divisor Sum 62,757

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #815653 ← → #815663

Radix Representation

Decimal	815659
Binary	11000111001000101011 (20 bits)
Octal	0o3071053
Hexadecimal	0xC722B

Divisor Catalog (4)

1 13 62,743 815,659

Collatz Trajectory (87 steps to reach 1)

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

815,659 2,446,978 1,223,489 3,670,468 1,835,234 917,617 2,752,852 1,376,426 688,213 2,064,640 1,032,320 516,160 258,080 129,040 64,520 32,260 16,130 8,065 24,196 12,098 6,049 18,148 9,074 4,537 13,612 6,806 3,403 10,210 5,105 15,316 7,658 3,829 11,488 5,744 2,872 1,436 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866

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