Properties of the Number 2906

Two Thousand Nine Hundred Six

Basics

Value: 2905 → 2906 → 2907

Parity: even

Prime: No

Previous Prime: 2903

Next Prime: 2909

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 1453

Divisors: 1, 2, 1453, 2906

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101101011010

Octal: 5532

Duodecimal: 1822

Hexadecimal: b5a

Square: 8444836

Square Root: 53.907327887774215

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) = 6·n² + 2 for n > 0, a(0)=1. A5897

a(n) = a(n-1) + a(n-2) + a(n-3); a(0) = -1, a(1) = 2, a(2) = 2. A100683

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 4.8.8 2D tiling (cf. A008576). A299259

Interprimes (A024675) which are of the form s·prime, s=2. A75277

Numbers k such that φ(k) = φ(k+2). A1494

Record values in A194591. A194600

T(n,k)=Number of n X k nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to any horizontal or antidiagonal neighbor (colorings ignoring permutations of colors). A208301

a(0) = 1, a(n) = 24·n² + 2 for n>0. A10014

Record values in A194636. A194637

Numbers k such that 2·10^k - 1 is prime. A2957