2,017,613

13 × 155201

2,017,613 factors as 13 × 155201. Its 4 positive divisors give a proper-divisor sum of 155,215, so this integer is deficient. The Collatz stopping time is 91 steps.

Prime Factor Structure

Factorization String 13 × 155201

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,172,828

Proper Divisor Sum 155,215

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #2017601 ← → #2017621

Radix Representation

Decimal	2017613
Binary	111101100100101001101 (21 bits)
Octal	0o7544515
Hexadecimal	0x1EC94D

Divisor Catalog (4)

1 13 155,201 2,017,613

Collatz Trajectory (91 steps to reach 1)

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

2,017,613 6,052,840 3,026,420 1,513,210 756,605 2,269,816 1,134,908 567,454 283,727 851,182 425,591 1,276,774 638,387 1,915,162 957,581 2,872,744 1,436,372 718,186 359,093 1,077,280 538,640 269,320 134,660 67,330 33,665 100,996 50,498 25,249 75,748 37,874 18,937 56,812 28,406 14,203 42,610 21,305 63,916 31,958 15,979 47,938 23,969 71,908 35,954 17,977 53,932 26,966 13,483 40,450 20,225 60,676 30,338 15,169 45,508 22,754 11,377 34,132 17,066 8,533 25,600 12,800

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