Properties of the Number 306

Three Hundred Six

Basics

Value: 305 → 306 → 307

Parity: even

Prime: No

Previous Prime: 293

Next Prime: 307

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 17

Divisors: 1, 2, 3, 6, 9, 17, 18, 34, 51, 102

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110010

Octal: 462

Duodecimal: 216

Hexadecimal: 132

Square: 93636

Square Root: 17.4928556845359

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

Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1). A2378

Coordination sequence T1 for Zeolite Code ABW and ATN. A8000

Quarter-squares: a(n) = floor(n/2)*ceiling(n/2). Equivalently, a(n) = floor(n²/4). A2620

Numbers k such that k² + 1 is prime. A5574

Numbers that are products of 4 primes. A14613

Nonnegative multiples of 6. A8588

Multiples of 9: a(n) = 9·n. A8591

a(n) = 2·n*(2·n-1). A2939

a(n) = n*σ(n). A64987

Coefficients of the '3rd-order' mock θ function ψ(q). A53251