1,405,566

2 × 3³ × 26029

1,405,566 factors as 2 × 3^3 × 26029. Its 16 positive divisors give a proper-divisor sum of 1,718,034, so this integer is abundant. The Collatz stopping time is 181 steps.

Prime Factor Structure

Factorization String 2 × 3^3 × 26029

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,123,600

Proper Divisor Sum 1,718,034

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1405561 ← → #1405583

Radix Representation

Decimal	1405566
Binary	101010111001001111110 (21 bits)
Octal	0o5271176
Hexadecimal	0x15727E

Divisor Catalog (16)

1 2 3 6 9 18 27 54 26,029 52,058 78,087 156,174 234,261 468,522 702,783 1,405,566

Collatz Trajectory (181 steps to reach 1)

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

1,405,566 702,783 2,108,350 1,054,175 3,162,526 1,581,263 4,743,790 2,371,895 7,115,686 3,557,843 10,673,530 5,336,765 16,010,296 8,005,148 4,002,574 2,001,287 6,003,862 3,001,931 9,005,794 4,502,897 13,508,692 6,754,346 3,377,173 10,131,520 5,065,760 2,532,880 1,266,440 633,220 316,610 158,305 474,916 237,458 118,729 356,188 178,094 89,047 267,142 133,571 400,714 200,357 601,072 300,536 150,268 75,134 37,567 112,702 56,351 169,054 84,527 253,582 126,791 380,374 190,187 570,562 285,281 855,844 427,922 213,961 641,884 320,942

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