2,491,997

31 × 80387

2,491,997 factors as 31 × 80387. Its 4 positive divisors give a proper-divisor sum of 80,419, so this integer is deficient. The Collatz stopping time is 112 steps.

Prime Factor Structure

Factorization String 31 × 80387

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,572,416

Proper Divisor Sum 80,419

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #2491967 ← → #2492003

Radix Representation

Decimal	2491997
Binary	1001100000011001011101 (22 bits)
Octal	0o11403135
Hexadecimal	0x26065D

Divisor Catalog (4)

1 31 80,387 2,491,997

Collatz Trajectory (112 steps to reach 1)

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

2,491,997 7,475,992 3,737,996 1,868,998 934,499 2,803,498 1,401,749 4,205,248 2,102,624 1,051,312 525,656 262,828 131,414 65,707 197,122 98,561 295,684 147,842 73,921 221,764 110,882 55,441 166,324 83,162 41,581 124,744 62,372 31,186 15,593 46,780 23,390 11,695 35,086 17,543 52,630 26,315 78,946 39,473 118,420 59,210 29,605 88,816 44,408 22,204 11,102 5,551 16,654 8,327 24,982 12,491 37,474 18,737 56,212 28,106 14,053 42,160 21,080 10,540 5,270 2,635

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