1,520,423

1520423

Starting at 1,520,423, the Collatz iteration reaches 1 after 132 steps. The first transition is 4561270; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1520423

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,520,424

Proper Divisor Sum 1

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1520417 ← → #1520443

Radix Representation

Decimal	1520423
Binary	101110011001100100111 (21 bits)
Octal	0o5631447
Hexadecimal	0x173327

Divisor Catalog (2)

1 1,520,423

Collatz Trajectory (132 steps to reach 1)

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

1,520,423 4,561,270 2,280,635 6,841,906 3,420,953 10,262,860 5,131,430 2,565,715 7,697,146 3,848,573 11,545,720 5,772,860 2,886,430 1,443,215 4,329,646 2,164,823 6,494,470 3,247,235 9,741,706 4,870,853 14,612,560 7,306,280 3,653,140 1,826,570 913,285 2,739,856 1,369,928 684,964 342,482 171,241 513,724 256,862 128,431 385,294 192,647 577,942 288,971 866,914 433,457 1,300,372 650,186 325,093 975,280 487,640 243,820 121,910 60,955 182,866 91,433 274,300 137,150 68,575 205,726 102,863 308,590 154,295 462,886 231,443 694,330 347,165

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