1,642,475

5² × 65699

1,642,475 factors as 5^2 × 65699. Its 6 positive divisors give a proper-divisor sum of 394,225, so this integer is deficient. The Collatz stopping time is 207 steps.

Prime Factor Structure

Factorization String 5^2 × 65699

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,036,700

Proper Divisor Sum 394,225

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1642463 ← → #1642481

Radix Representation

Decimal	1642475
Binary	110010000111111101011 (21 bits)
Octal	0o6207753
Hexadecimal	0x190FEB

Divisor Catalog (6)

1 5 25 65,699 328,495 1,642,475

Collatz Trajectory (207 steps to reach 1)

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

1,642,475 4,927,426 2,463,713 7,391,140 3,695,570 1,847,785 5,543,356 2,771,678 1,385,839 4,157,518 2,078,759 6,236,278 3,118,139 9,354,418 4,677,209 14,031,628 7,015,814 3,507,907 10,523,722 5,261,861 15,785,584 7,892,792 3,946,396 1,973,198 986,599 2,959,798 1,479,899 4,439,698 2,219,849 6,659,548 3,329,774 1,664,887 4,994,662 2,497,331 7,491,994 3,745,997 11,237,992 5,618,996 2,809,498 1,404,749 4,214,248 2,107,124 1,053,562 526,781 1,580,344 790,172 395,086 197,543 592,630 296,315 888,946 444,473 1,333,420 666,710 333,355 1,000,066 500,033 1,500,100 750,050 375,025

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