1,624,845

3 × 5 × 149 × 727

1,624,845 is odd and not a perfect square. Its factorization is 3 × 5 × 149 × 727 and its 16 divisors sum to 2,620,800.

Prime Factor Structure

Factorization String 3 × 5 × 149 × 727

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,620,800

Proper Divisor Sum 995,955

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1624829 ← → #1624849

Radix Representation

Decimal	1624845
Binary	110001100101100001101 (21 bits)
Octal	0o6145415
Hexadecimal	0x18CB0D

Divisor Catalog (16)

1 3 5 15 149 447 727 745 2,181 2,235 3,635 10,905 108,323 324,969 541,615 1,624,845

Collatz Trajectory (207 steps to reach 1)

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

1,624,845 4,874,536 2,437,268 1,218,634 609,317 1,827,952 913,976 456,988 228,494 114,247 342,742 171,371 514,114 257,057 771,172 385,586 192,793 578,380 289,190 144,595 433,786 216,893 650,680 325,340 162,670 81,335 244,006 122,003 366,010 183,005 549,016 274,508 137,254 68,627 205,882 102,941 308,824 154,412 77,206 38,603 115,810 57,905 173,716 86,858 43,429 130,288 65,144 32,572 16,286 8,143 24,430 12,215 36,646 18,323 54,970 27,485 82,456 41,228 20,614 10,307

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