Properties of the Number -6216

Two Hundred Sixteen

Basics

Value: -6217 → -6216 → -6215

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 37

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001001000

Octal: -14110

Duodecimal: -3720

Hexadecimal: -1848

Square: 38638656

Square Root: 78.8416133777081

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 ∏_m>=1 (1+q^m)^-4. A22599

Spontaneous magnetization coefficients for square lattice spin 1 Ising model. A10102

tanh(arcsinh(x)*cos(x))=x-6/3!*x³+120/5!*x⁵-6216/7!*x⁷... A12641

Expansion of cosh(sinh(log(1+x))). A9151

Structured great rhombicosidodecahedral numbers. A100145

Generalized 29-gonal (or icosienneagonal) numbers: m*(27·m - 25)/2 with m = 0, +1, -1, +2, -2, +3, -3, ... A303815

Sum of all partitions of n into distinct parts. A66189

Stack polyominoes with square core. A188674

a(n) = 2·n*(4·n - 1). A14635

Staggered diagonal of triangular spiral in A051682. A81266