λ
Ratio Atlas

71,017,147

71017147
Deficient Odd Prime

71,017,147 factors as 71017147. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 171 steps.

Prime Factor Structure

Factorization String 71017147
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 71,017,148
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #71017099 ← → #71017159

Radix Representation

Decimal 71017147
Binary 100001110111010001010111011 (27 bits)
Octal 0o416721273
Hexadecimal 0x43BA2BB

Divisor Catalog (2)

Collatz Trajectory (171 steps to reach 1)

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

71,017,147 213,051,442 106,525,721 319,577,164 159,788,582 79,894,291 239,682,874 119,841,437 359,524,312 179,762,156 89,881,078 44,940,539 134,821,618 67,410,809 202,232,428 101,116,214 50,558,107 151,674,322 75,837,161 227,511,484 113,755,742 56,877,871 170,633,614 85,316,807 255,950,422 127,975,211 383,925,634 191,962,817 575,888,452 287,944,226 143,972,113 431,916,340 215,958,170 107,979,085 323,937,256 161,968,628 80,984,314 40,492,157 121,476,472 60,738,236 30,369,118 15,184,559 45,553,678 22,776,839 68,330,518 34,165,259 102,495,778 51,247,889 153,743,668 76,871,834 38,435,917 115,307,752 57,653,876 28,826,938 14,413,469 43,240,408 21,620,204 10,810,102 5,405,051 16,215,154

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