Properties of the Number 38961

Thirty-Eight Thousand Nine Hundred Sixty-One

Basics

Value: 38960 → 38961 → 38962

Parity: odd

Prime: No

Previous Prime: 38959

Next Prime: 38971

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 13 × 37

Divisors: 1, 3, 9, 13, 27, 37, 39, 81, 111, 117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001100000110001

Octal: 114061

Duodecimal: 1A669

Hexadecimal: 9831

Square: 1517959521

Square Root: 197.3854097951518

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

Sum of next n cubes. A75664

Numbers n such that the decimal number concat(9,n) is a square. A273364

a(n) = ∏_k∣n (n+1-k). A56819

From George Gilbert's marks problem: jumping 7 marks at a time (initial positions). A19997

a(n) = (2·n+1)*(12·n+1). A33576

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 790", based on the 5-celled von Neumann neighborhood. A273562

Numbers k such that φ(k, 2) = φ(k+1, 2), where φ(k, 2) = A002472(k). A301868

Integers k such that k² can be written as the sum of three positive fourth powers. A365657

a(n) = ∑_k=1..n τ( (n/gcd(k,n))ⁿ ). A373002

a(n) = 8ⁿ - 2ⁿ. A248217