Properties of the Number 16105

Sixteen Thousand One Hundred Five

Basics

Value: 16104 → 16105 → 16106

Parity: odd

Prime: No

Previous Prime: 16103

Next Prime: 16111

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 5 × 3221

Divisors: 1, 5, 3221, 16105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111011101001

Octal: 37351

Duodecimal: 93A1

Hexadecimal: 3ee9

Square: 259371025

Square Root: 126.90547663517127

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

a(n) = (11ⁿ⁺¹ - 1)/10. A16123

a(n) = n⁴ + n³ + n² + n + 1. A53699

Number of rotationally symmetric polyominoes with n cells (that is, polyominoes with exactly the symmetry group C₂ generated by a 180-degree rotation). A6747

Triangle of Gaussian binomial coefficients [ n,k ] for q = 11. A22175

Square array A(n, k) = σ(A246278(n, k)), read by falling antidiagonals. A355927

q-Fibonacci numbers for q=11, scaling a(n-2). A15469

Numbers k such that k² is palindromic in base 11. A29996

Number of sublattices of index n in generic 5-dimensional lattice. A38992

a(n) = 1 + prime(n) + prime(n)² + prime(n)³ + prime(n)⁴. A131992

Period of the Fibonacci 5-step sequence A001591 mod n. A106303