1,625,257

1625257

1,625,257 factors as 1625257. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 207 steps.

Prime Factor Structure

Factorization String 1625257

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,625,258

Proper Divisor Sum 1

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1625227 ← → #1625263

Radix Representation

Decimal	1625257
Binary	110001100110010101001 (21 bits)
Octal	0o6146251
Hexadecimal	0x18CCA9

Divisor Catalog (2)

1 1,625,257

Collatz Trajectory (207 steps to reach 1)

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

1,625,257 4,875,772 2,437,886 1,218,943 3,656,830 1,828,415 5,485,246 2,742,623 8,227,870 4,113,935 12,341,806 6,170,903 18,512,710 9,256,355 27,769,066 13,884,533 41,653,600 20,826,800 10,413,400 5,206,700 2,603,350 1,301,675 3,905,026 1,952,513 5,857,540 2,928,770 1,464,385 4,393,156 2,196,578 1,098,289 3,294,868 1,647,434 823,717 2,471,152 1,235,576 617,788 308,894 154,447 463,342 231,671 695,014 347,507 1,042,522 521,261 1,563,784 781,892 390,946 195,473 586,420 293,210 146,605 439,816 219,908 109,954 54,977 164,932 82,466 41,233 123,700 61,850

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