2,621,545

5 × 524309

2,621,545 factors as 5 × 524309. Its 4 positive divisors give a proper-divisor sum of 524,315, so this integer is deficient. The Collatz stopping time is 262 steps.

Prime Factor Structure

Factorization String 5 × 524309

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,145,860

Proper Divisor Sum 524,315

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #2621527 ← → #2621551

Radix Representation

Decimal	2621545
Binary	1010000000000001101001 (22 bits)
Octal	0o12000151
Hexadecimal	0x280069

Divisor Catalog (4)

1 5 524,309 2,621,545

Collatz Trajectory (262 steps to reach 1)

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

2,621,545 7,864,636 3,932,318 1,966,159 5,898,478 2,949,239 8,847,718 4,423,859 13,271,578 6,635,789 19,907,368 9,953,684 4,976,842 2,488,421 7,465,264 3,732,632 1,866,316 933,158 466,579 1,399,738 699,869 2,099,608 1,049,804 524,902 262,451 787,354 393,677 1,181,032 590,516 295,258 147,629 442,888 221,444 110,722 55,361 166,084 83,042 41,521 124,564 62,282 31,141 93,424 46,712 23,356 11,678 5,839 17,518 8,759 26,278 13,139 39,418 19,709 59,128 29,564 14,782 7,391 22,174 11,087 33,262 16,631

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