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3,555,136

26 × 13 × 4273
Abundant Even Composite

3,555,136 factors as 2^6 × 13 × 4273. Its 28 positive divisors give a proper-divisor sum of 4,044,036, so this integer is abundant. The Collatz stopping time is 265 steps.

Prime Factor Structure

Factorization String 2^6 × 13 × 4273
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 28
Divisor Sum (σ) 7,599,172
Proper Divisor Sum 4,044,036
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3555131 ← → #3555137

Radix Representation

Decimal 3555136
Binary 1101100011111101000000 (22 bits)
Octal 0o15437500
Hexadecimal 0x363F40

Divisor Catalog (28)

1 2 4 8 13 16 26 32 52 64 104 208 416 832 4,273 8,546 17,092 34,184 55,549 68,368 111,098 136,736 222,196 273,472 444,392 888,784 1,777,568 3,555,136

Collatz Trajectory (265 steps to reach 1)

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

3,555,136 1,777,568 888,784 444,392 222,196 111,098 55,549 166,648 83,324 41,662 20,831 62,494 31,247 93,742 46,871 140,614 70,307 210,922 105,461 316,384 158,192 79,096 39,548 19,774 9,887 29,662 14,831 44,494 22,247 66,742 33,371 100,114 50,057 150,172 75,086 37,543 112,630 56,315 168,946 84,473 253,420 126,710 63,355 190,066 95,033 285,100 142,550 71,275 213,826 106,913 320,740 160,370 80,185 240,556 120,278 60,139 180,418 90,209 270,628 135,314

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