2,631,985

5 × 526397

2,631,985 factors as 5 × 526397. Its 4 positive divisors give a proper-divisor sum of 526,403, so this integer is deficient. The Collatz stopping time is 125 steps.

Prime Factor Structure

Factorization String 5 × 526397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,158,388

Proper Divisor Sum 526,403

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #2631983 ← → #2631989

Radix Representation

Decimal	2631985
Binary	1010000010100100110001 (22 bits)
Octal	0o12024461
Hexadecimal	0x282931

Divisor Catalog (4)

1 5 526,397 2,631,985

Collatz Trajectory (125 steps to reach 1)

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

2,631,985 7,895,956 3,947,978 1,973,989 5,921,968 2,960,984 1,480,492 740,246 370,123 1,110,370 555,185 1,665,556 832,778 416,389 1,249,168 624,584 312,292 156,146 78,073 234,220 117,110 58,555 175,666 87,833 263,500 131,750 65,875 197,626 98,813 296,440 148,220 74,110 37,055 111,166 55,583 166,750 83,375 250,126 125,063 375,190 187,595 562,786 281,393 844,180 422,090 211,045 633,136 316,568 158,284 79,142 39,571 118,714 59,357 178,072 89,036 44,518 22,259 66,778 33,389 100,168

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