Properties of the Number 13447

Thirteen Thousand Four Hundred Forty-Seven

Basics

Value: 13446 → 13447 → 13448

Parity: odd

Prime: No

Previous Prime: 13441

Next Prime: 13451

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 17 × 113

Divisors: 1, 7, 17, 113, 119, 791, 1921, 13447

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010010000111

Octal: 32207

Duodecimal: 7947

Hexadecimal: 3487

Square: 180821809

Square Root: 115.96120040772259

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

Number of partitions of n into parts 3k and 3k+1 with at least one part of each type. A35618

Expansion of (1 + 2·x) / (1 - x - 4·x²). A26581

Number of compositions of n into a square number of parts. A103198

a(n) = 8·n² - 1. A157914

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the minimum of every 2X2 subblock equal. A238180

Number of monic polynomials with integer coefficients of degree n with all roots in unit disc. A51894

Least k such that the difference between consecutive semiprimes A065516(k) equals n, or 0 if no such k exists. A123375

Sums of members of groups in A076062. A76060

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+113)² = y². A161478

a(n) = (8·n+1)*(8·n+7). A1533