1,445,250

2 × 3 × 5³ × 41 × 47

Starting at 1,445,250, the Collatz iteration reaches 1 after 212 steps. The first transition is 722625; the starting value is even with 64 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 5^3 × 41 × 47

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 3,773,952

Proper Divisor Sum 2,328,702

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1445239 ← → #1445261

Radix Representation

Decimal	1445250
Binary	101100000110110000010 (21 bits)
Octal	0o5406602
Hexadecimal	0x160D82

Divisor Catalog (60 of 64)

1 2 3 5 6 10 15 25 30 41 47 50 75 82 94 123 125 141 150 205 235 246 250 282 375 410 470 615 705 750 1,025 1,175 1,230 1,410 1,927 2,050 2,350 3,075 3,525 3,854 5,125 5,781 5,875 6,150 7,050 9,635 10,250 11,562 11,750 15,375 17,625 19,270 28,905 30,750 35,250 48,175 57,810 96,350 144,525 240,875

Collatz Trajectory (212 steps to reach 1)

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

1,445,250 722,625 2,167,876 1,083,938 541,969 1,625,908 812,954 406,477 1,219,432 609,716 304,858 152,429 457,288 228,644 114,322 57,161 171,484 85,742 42,871 128,614 64,307 192,922 96,461 289,384 144,692 72,346 36,173 108,520 54,260 27,130 13,565 40,696 20,348 10,174 5,087 15,262 7,631 22,894 11,447 34,342 17,171 51,514 25,757 77,272 38,636 19,318 9,659 28,978 14,489 43,468 21,734 10,867 32,602 16,301 48,904 24,452 12,226 6,113 18,340 9,170

← Previous Integer #1,445,249 Browse Full Index Next Integer #1,445,251 →