λ
Prime Ledger

2,491,985

5 × 498397
Deficient Odd Composite

2,491,985 has the prime decomposition 5 × 498397. Its 2 distinct prime factors produce 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 498397
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,990,388
Proper Divisor Sum 498,403
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #2491967 ← → #2492003

Radix Representation

Decimal 2491985
Binary 1001100000011001010001 (22 bits)
Octal 0o11403121
Hexadecimal 0x260651

Divisor Catalog (4)

1 5 498,397 2,491,985

Collatz Trajectory (112 steps to reach 1)

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

2,491,985 7,475,956 3,737,978 1,868,989 5,606,968 2,803,484 1,401,742 700,871 2,102,614 1,051,307 3,153,922 1,576,961 4,730,884 2,365,442 1,182,721 3,548,164 1,774,082 887,041 2,661,124 1,330,562 665,281 1,995,844 997,922 498,961 1,496,884 748,442 374,221 1,122,664 561,332 280,666 140,333 421,000 210,500 105,250 52,625 157,876 78,938 39,469 118,408 59,204 29,602 14,801 44,404 22,202 11,101 33,304 16,652 8,326 4,163 12,490 6,245 18,736 9,368 4,684 2,342 1,171 3,514 1,757 5,272 2,636

More profiles

← Previous Integer #2,491,984 Browse Full Index Next Integer #2,491,986 →