λ
Sequence Observatory

7,390,806

2 × 3 × 257 × 4793
Abundant Even Composite

Starting at 7,390,806, the Collatz iteration reaches 1 after 160 steps. The first transition is 3695403; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 257 × 4793
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 14,842,224
Proper Divisor Sum 7,451,418
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #7390777 ← → #7390813

Radix Representation

Decimal 7390806
Binary 11100001100011001010110 (23 bits)
Octal 0o34143126
Hexadecimal 0x70C656

Divisor Catalog (16)

1 2 3 6 257 514 771 1,542 4,793 9,586 14,379 28,758 1,231,801 2,463,602 3,695,403 7,390,806

Collatz Trajectory (160 steps to reach 1)

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

7,390,806 3,695,403 11,086,210 5,543,105 16,629,316 8,314,658 4,157,329 12,471,988 6,235,994 3,117,997 9,353,992 4,676,996 2,338,498 1,169,249 3,507,748 1,753,874 876,937 2,630,812 1,315,406 657,703 1,973,110 986,555 2,959,666 1,479,833 4,439,500 2,219,750 1,109,875 3,329,626 1,664,813 4,994,440 2,497,220 1,248,610 624,305 1,872,916 936,458 468,229 1,404,688 702,344 351,172 175,586 87,793 263,380 131,690 65,845 197,536 98,768 49,384 24,692 12,346 6,173 18,520 9,260 4,630 2,315 6,946 3,473 10,420 5,210 2,605 7,816

More profiles

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