Properties of the Number 40514

Forty Thousand Five Hundred Fourteen

Basics

Value: 40513 → 40514 → 40515

Parity: even

Prime: No

Previous Prime: 40507

Next Prime: 40519

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 47 × 431

Divisors: 1, 2, 47, 94, 431, 862, 20257, 40514

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001111001000010

Octal: 117102

Duodecimal: 1B542

Hexadecimal: 9e42

Square: 1641384196

Square Root: 201.28089824918806

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 bipartite outerplanar graphs on n unlabeled nodes. A111759

Regular triangle read by rows where T(n, k) is the number of set partitions of {1, ..., n} requiring k steps of removing singletons and cyclical adjacency initiators until reaching a fixed point, n >= 0, 0 <= k <= n. A306418

Numbers k such that φ(k) + φ(k+1) = k+2. A67797

Numbers k such that ∑_j=1..k σ(j) is a triangular number, where σ(j) = sum of divisors of j (A000203). A226648

The number of NE partitions of n (see Comments). A239329

Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 5 6 or 7. A252376

Continued fraction for sqrt(538). A40514