1,405,018

2 × 47 × 14947

1,405,018 factors as 2 × 47 × 14947. Its 8 positive divisors give a proper-divisor sum of 747,494, so this integer is deficient. The Collatz stopping time is 155 steps.

Prime Factor Structure

Factorization String 2 × 47 × 14947

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,152,512

Proper Divisor Sum 747,494

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1405009 ← → #1405039

Radix Representation

Decimal	1405018
Binary	101010111000001011010 (21 bits)
Octal	0o5270132
Hexadecimal	0x15705A

Divisor Catalog (8)

1 2 47 94 14,947 29,894 702,509 1,405,018

Collatz Trajectory (155 steps to reach 1)

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

1,405,018 702,509 2,107,528 1,053,764 526,882 263,441 790,324 395,162 197,581 592,744 296,372 148,186 74,093 222,280 111,140 55,570 27,785 83,356 41,678 20,839 62,518 31,259 93,778 46,889 140,668 70,334 35,167 105,502 52,751 158,254 79,127 237,382 118,691 356,074 178,037 534,112 267,056 133,528 66,764 33,382 16,691 50,074 25,037 75,112 37,556 18,778 9,389 28,168 14,084 7,042 3,521 10,564 5,282 2,641 7,924 3,962 1,981 5,944 2,972 1,486

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