Properties of the Number 31226

Thirty-One Thousand Two Hundred Twenty-Six

Basics

Value: 31225 → 31226 → 31227

Parity: even

Prime: No

Previous Prime: 31223

Next Prime: 31231

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 13 × 1201

Divisors: 1, 2, 13, 26, 1201, 2402, 15613, 31226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100111111010

Octal: 74772

Duodecimal: 160A2

Hexadecimal: 79fa

Square: 975063076

Square Root: 176.70880000724355

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

T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4. A239986

Numbers k such that 6·k+5, 6·k+11, 6·k+17, 6·k+23 are consecutive primes. A90836

a(n) = (A048899(n)² + 1)/5ⁿ, n >= 0. A210849

a(n) = (1+(A034939(n))²)/5ⁿ. A199206

a(n) = b(n) + b(n+1) + 2, where b() = A000930(). A170934

The consecutive squares of numbers multiplied by their next consecutive integer. A193608

Number of nX6 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4. A239984

Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4. A239989

Number of conjugacy classes of the symmetric group S_n when conjugating only by even permutations. A242101

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood. A270085