λ
Sigma Notebook

8,100,512

25 × 7 × 292 × 43
Abundant Even Composite

8,100,512 is even and not a perfect square. Its factorization is 2^5 × 7 × 29^2 × 43 and its 72 divisors sum to 19,315,296.

Prime Factor Structure

Factorization String 2^5 × 7 × 29^2 × 43
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 72
Divisor Sum (σ) 19,315,296
Proper Divisor Sum 11,214,784
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #8100511 ← → #8100529

Radix Representation

Decimal 8100512
Binary 11110111001101010100000 (23 bits)
Octal 0o36715240
Hexadecimal 0x7B9AA0

Divisor Catalog (60 of 72)

1 2 4 7 8 14 16 28 29 32 43 56 58 86 112 116 172 203 224 232 301 344 406 464 602 688 812 841 928 1,204 1,247 1,376 1,624 1,682 2,408 2,494 3,248 3,364 4,816 4,988 5,887 6,496 6,728 8,729 9,632 9,976 11,774 13,456 17,458 19,952 23,548 26,912 34,916 36,163 39,904 47,096 69,832 72,326 94,192 139,664

Collatz Trajectory (155 steps to reach 1)

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

8,100,512 4,050,256 2,025,128 1,012,564 506,282 253,141 759,424 379,712 189,856 94,928 47,464 23,732 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456

More profiles

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