1,521,065

5 × 7 × 13 × 3343

1,521,065 factors as 5 × 7 × 13 × 3343. Its 16 positive divisors give a proper-divisor sum of 726,103, so this integer is deficient. The Collatz stopping time is 287 steps.

Prime Factor Structure

Factorization String 5 × 7 × 13 × 3343

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,247,168

Proper Divisor Sum 726,103

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1521049 ← → #1521067

Radix Representation

Decimal	1521065
Binary	101110011010110101001 (21 bits)
Octal	0o5632651
Hexadecimal	0x1735A9

Divisor Catalog (16)

1 5 7 13 35 65 91 455 3,343 16,715 23,401 43,459 117,005 217,295 304,213 1,521,065

Collatz Trajectory (287 steps to reach 1)

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

1,521,065 4,563,196 2,281,598 1,140,799 3,422,398 1,711,199 5,133,598 2,566,799 7,700,398 3,850,199 11,550,598 5,775,299 17,325,898 8,662,949 25,988,848 12,994,424 6,497,212 3,248,606 1,624,303 4,872,910 2,436,455 7,309,366 3,654,683 10,964,050 5,482,025 16,446,076 8,223,038 4,111,519 12,334,558 6,167,279 18,501,838 9,250,919 27,752,758 13,876,379 41,629,138 20,814,569 62,443,708 31,221,854 15,610,927 46,832,782 23,416,391 70,249,174 35,124,587 105,373,762 52,686,881 158,060,644 79,030,322 39,515,161 118,545,484 59,272,742 29,636,371 88,909,114 44,454,557 133,363,672 66,681,836 33,340,918 16,670,459 50,011,378 25,005,689 75,017,068

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #1,521,064 Browse Full Index Next Integer #1,521,066 →