1,615,313

7 × 23 × 79 × 127

1,615,313 factors as 7 × 23 × 79 × 127. Its 16 positive divisors give a proper-divisor sum of 350,767, so this integer is deficient. The Collatz stopping time is 114 steps.

Prime Factor Structure

Factorization String 7 × 23 × 79 × 127

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,966,080

Proper Divisor Sum 350,767

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1615307 ← → #1615331

Radix Representation

Decimal	1615313
Binary	110001010010111010001 (21 bits)
Octal	0o6122721
Hexadecimal	0x18A5D1

Divisor Catalog (16)

1 7 23 79 127 161 553 889 1,817 2,921 10,033 12,719 20,447 70,231 230,759 1,615,313

Collatz Trajectory (114 steps to reach 1)

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

1,615,313 4,845,940 2,422,970 1,211,485 3,634,456 1,817,228 908,614 454,307 1,362,922 681,461 2,044,384 1,022,192 511,096 255,548 127,774 63,887 191,662 95,831 287,494 143,747 431,242 215,621 646,864 323,432 161,716 80,858 40,429 121,288 60,644 30,322 15,161 45,484 22,742 11,371 34,114 17,057 51,172 25,586 12,793 38,380 19,190 9,595 28,786 14,393 43,180 21,590 10,795 32,386 16,193 48,580 24,290 12,145 36,436 18,218 9,109 27,328 13,664 6,832 3,416 1,708

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