λ
Sigma Notebook

7,216,485

3 × 5 × 19 × 25321
Deficient Odd Composite

7,216,485 is odd and not a perfect square. Its factorization is 3 × 5 × 19 × 25321 and its 16 divisors sum to 12,154,560.

Prime Factor Structure

Factorization String 3 × 5 × 19 × 25321
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 12,154,560
Proper Divisor Sum 4,938,075
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #7216471 ← → #7216493

Radix Representation

Decimal 7216485
Binary 11011100001110101100101 (23 bits)
Octal 0o33416545
Hexadecimal 0x6E1D65

Divisor Catalog (16)

1 3 5 15 19 57 95 285 25,321 75,963 126,605 379,815 481,099 1,443,297 2,405,495 7,216,485

Collatz Trajectory (67 steps to reach 1)

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

7,216,485 21,649,456 10,824,728 5,412,364 2,706,182 1,353,091 4,059,274 2,029,637 6,088,912 3,044,456 1,522,228 761,114 380,557 1,141,672 570,836 285,418 142,709 428,128 214,064 107,032 53,516 26,758 13,379 40,138 20,069 60,208 30,104 15,052 7,526 3,763 11,290 5,645 16,936 8,468 4,234 2,117 6,352 3,176 1,588 794 397 1,192 596 298 149 448 224 112 56 28 14 7 22 11 34 17 52 26 13 40

More profiles

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