7,216,397

31 × 131 × 1777

7,216,397 factors as 31 × 131 × 1777. Its 8 positive divisors give a proper-divisor sum of 293,875, so this integer is deficient. The Collatz stopping time is 235 steps.

Prime Factor Structure

Factorization String 31 × 131 × 1777

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 7,510,272

Proper Divisor Sum 293,875

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #7216373 ← → #7216403

Radix Representation

Decimal	7216397
Binary	11011100001110100001101 (23 bits)
Octal	0o33416415
Hexadecimal	0x6E1D0D

Divisor Catalog (8)

1 31 131 1,777 4,061 55,087 232,787 7,216,397

Collatz Trajectory (235 steps to reach 1)

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

7,216,397 21,649,192 10,824,596 5,412,298 2,706,149 8,118,448 4,059,224 2,029,612 1,014,806 507,403 1,522,210 761,105 2,283,316 1,141,658 570,829 1,712,488 856,244 428,122 214,061 642,184 321,092 160,546 80,273 240,820 120,410 60,205 180,616 90,308 45,154 22,577 67,732 33,866 16,933 50,800 25,400 12,700 6,350 3,175 9,526 4,763 14,290 7,145 21,436 10,718 5,359 16,078 8,039 24,118 12,059 36,178 18,089 54,268 27,134 13,567 40,702 20,351 61,054 30,527 91,582 45,791

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