λ
Sequence Observatory

1,402,493

1402493
Deficient Odd Prime

Starting at 1,402,493, the Collatz iteration reaches 1 after 168 steps. The first transition is 4207480; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 1402493
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,402,494
Proper Divisor Sum 1
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1402477 ← → #1402501

Radix Representation

Decimal 1402493
Binary 101010110011001111101 (21 bits)
Octal 0o5263175
Hexadecimal 0x15667D

Divisor Catalog (2)

1 1,402,493

Collatz Trajectory (168 steps to reach 1)

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

1,402,493 4,207,480 2,103,740 1,051,870 525,935 1,577,806 788,903 2,366,710 1,183,355 3,550,066 1,775,033 5,325,100 2,662,550 1,331,275 3,993,826 1,996,913 5,990,740 2,995,370 1,497,685 4,493,056 2,246,528 1,123,264 561,632 280,816 140,408 70,204 35,102 17,551 52,654 26,327 78,982 39,491 118,474 59,237 177,712 88,856 44,428 22,214 11,107 33,322 16,661 49,984 24,992 12,496 6,248 3,124 1,562 781 2,344 1,172 586 293 880 440 220 110 55 166 83 250

More profiles

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