1,786,729

7 × 255247

1,786,729 factors as 7 × 255247. Its 4 positive divisors give a proper-divisor sum of 255,255, so this integer is deficient. The Collatz stopping time is 326 steps.

Prime Factor Structure

Factorization String 7 × 255247

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,041,984

Proper Divisor Sum 255,255

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #1786727 ← → #1786753

Radix Representation

Decimal	1786729
Binary	110110100001101101001 (21 bits)
Octal	0o6641551
Hexadecimal	0x1B4369

Divisor Catalog (4)

1 7 255,247 1,786,729

Collatz Trajectory (326 steps to reach 1)

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

1,786,729 5,360,188 2,680,094 1,340,047 4,020,142 2,010,071 6,030,214 3,015,107 9,045,322 4,522,661 13,567,984 6,783,992 3,391,996 1,695,998 847,999 2,543,998 1,271,999 3,815,998 1,907,999 5,723,998 2,861,999 8,585,998 4,292,999 12,878,998 6,439,499 19,318,498 9,659,249 28,977,748 14,488,874 7,244,437 21,733,312 10,866,656 5,433,328 2,716,664 1,358,332 679,166 339,583 1,018,750 509,375 1,528,126 764,063 2,292,190 1,146,095 3,438,286 1,719,143 5,157,430 2,578,715 7,736,146 3,868,073 11,604,220 5,802,110 2,901,055 8,703,166 4,351,583 13,054,750 6,527,375 19,582,126 9,791,063 29,373,190 14,686,595

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