1,197,518

2 × 7 × 23 × 3719

Starting at 1,197,518, the Collatz iteration reaches 1 after 142 steps. The first transition is 598759; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 23 × 3719

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,142,720

Proper Divisor Sum 945,202

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1197509 ← → #1197527

Radix Representation

Decimal	1197518
Binary	100100100010111001110 (21 bits)
Octal	0o4442716
Hexadecimal	0x1245CE

Divisor Catalog (16)

1 2 7 14 23 46 161 322 3,719 7,438 26,033 52,066 85,537 171,074 598,759 1,197,518

Collatz Trajectory (142 steps to reach 1)

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

1,197,518 598,759 1,796,278 898,139 2,694,418 1,347,209 4,041,628 2,020,814 1,010,407 3,031,222 1,515,611 4,546,834 2,273,417 6,820,252 3,410,126 1,705,063 5,115,190 2,557,595 7,672,786 3,836,393 11,509,180 5,754,590 2,877,295 8,631,886 4,315,943 12,947,830 6,473,915 19,421,746 9,710,873 29,132,620 14,566,310 7,283,155 21,849,466 10,924,733 32,774,200 16,387,100 8,193,550 4,096,775 12,290,326 6,145,163 18,435,490 9,217,745 27,653,236 13,826,618 6,913,309 20,739,928 10,369,964 5,184,982 2,592,491 7,777,474 3,888,737 11,666,212 5,833,106 2,916,553 8,749,660 4,374,830 2,187,415 6,562,246 3,281,123 9,843,370

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