25,000,855

5 × 11 × 251 × 1811

25,000,855 factors as 5 × 11 × 251 × 1811. Its 16 positive divisors give a proper-divisor sum of 7,876,073, so this integer is deficient. The Collatz stopping time is 185 steps.

Prime Factor Structure

Factorization String 5 × 11 × 251 × 1811

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 32,876,928

Proper Divisor Sum 7,876,073

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #25000853 ← → #25000861

Radix Representation

Decimal	25000855
Binary	1011111010111101110010111 (25 bits)
Octal	0o137275627
Hexadecimal	0x17D7B97

Divisor Catalog (16)

1 5 11 55 251 1,255 1,811 2,761 9,055 13,805 19,921 99,605 454,561 2,272,805 5,000,171 25,000,855

Collatz Trajectory (185 steps to reach 1)

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

25,000,855 75,002,566 37,501,283 112,503,850 56,251,925 168,755,776 84,377,888 42,188,944 21,094,472 10,547,236 5,273,618 2,636,809 7,910,428 3,955,214 1,977,607 5,932,822 2,966,411 8,899,234 4,449,617 13,348,852 6,674,426 3,337,213 10,011,640 5,005,820 2,502,910 1,251,455 3,754,366 1,877,183 5,631,550 2,815,775 8,447,326 4,223,663 12,670,990 6,335,495 19,006,486 9,503,243 28,509,730 14,254,865 42,764,596 21,382,298 10,691,149 32,073,448 16,036,724 8,018,362 4,009,181 12,027,544 6,013,772 3,006,886 1,503,443 4,510,330 2,255,165 6,765,496 3,382,748 1,691,374 845,687 2,537,062 1,268,531 3,805,594 1,902,797 5,708,392

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