1,357,781

1357781

Starting at 1,357,781, the Collatz iteration reaches 1 after 62 steps. The first transition is 4073344; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1357781

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,357,782

Proper Divisor Sum 1

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1357771 ← → #1357787

Radix Representation

Decimal	1357781
Binary	101001011011111010101 (21 bits)
Octal	0o5133725
Hexadecimal	0x14B7D5

Divisor Catalog (2)

1 1,357,781

Collatz Trajectory (62 steps to reach 1)

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

1,357,781 4,073,344 2,036,672 1,018,336 509,168 254,584 127,292 63,646 31,823 95,470 47,735 143,206 71,603 214,810 107,405 322,216 161,108 80,554 40,277 120,832 60,416 30,208 15,104 7,552 3,776 1,888 944 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8

← Previous Integer #1,357,780 Browse Full Index Next Integer #1,357,782 →