2,187,234

2 × 3² × 7 × 17359

Starting at 2,187,234, the Collatz iteration reaches 1 after 210 steps. The first transition is 1093617; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 7 × 17359

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 5,416,320

Proper Divisor Sum 3,229,086

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2187233 ← → #2187247

Radix Representation

Decimal	2187234
Binary	1000010101111111100010 (22 bits)
Octal	0o10257742
Hexadecimal	0x215FE2

Divisor Catalog (24)

1 2 3 6 7 9 14 18 21 42 63 126 17,359 34,718 52,077 104,154 121,513 156,231 243,026 312,462 364,539 729,078 1,093,617 2,187,234

Collatz Trajectory (210 steps to reach 1)

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

2,187,234 1,093,617 3,280,852 1,640,426 820,213 2,460,640 1,230,320 615,160 307,580 153,790 76,895 230,686 115,343 346,030 173,015 519,046 259,523 778,570 389,285 1,167,856 583,928 291,964 145,982 72,991 218,974 109,487 328,462 164,231 492,694 246,347 739,042 369,521 1,108,564 554,282 277,141 831,424 415,712 207,856 103,928 51,964 25,982 12,991 38,974 19,487 58,462 29,231 87,694 43,847 131,542 65,771 197,314 98,657 295,972 147,986 73,993 221,980 110,990 55,495 166,486 83,243

← Previous Integer #2,187,233 Browse Full Index Next Integer #2,187,235 →