Properties of the Number 38997

Thirty-Eight Thousand Nine Hundred Ninety-Seven

Basics

Value: 38996 → 38997 → 38998

Parity: odd

Prime: No

Previous Prime: 38993

Next Prime: 39019

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 619

Divisors: 1, 3, 7, 9, 21, 63, 619, 1857, 4333, 5571

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100001010101

Octal: 114125

Duodecimal: 1A699

Hexadecimal: 9855

Square: 1520766009

Square Root: 197.47658088998807

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Expansion of ∏_k>=1 1/((1+x^k)*(1-x^k)⁴). A262380

Number of ways to partition digits 0-9 into signed terms in decreasing absolute value order with sum n. A389952

Numbers n such that σ(2*φ(n)) = 2*σ(n). A137733

A transform of the double factorial numbers A001147. A165433

Positive integers k at which k/log₂(k) is at a record closeness to an integer, without actually being an integer. A307099

Number of sublattices of index n in generic 10-dimensional lattice. A38997