Properties of the Number 40212

Forty Thousand Two Hundred Twelve

Basics

Value: 40211 → 40212 → 40213

Parity: even

Prime: No

Previous Prime: 40193

Next Prime: 40213

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 1117

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 1117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110100010100

Octal: 116424

Duodecimal: 1B330

Hexadecimal: 9d14

Square: 1617004944

Square Root: 200.52929960482084

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

Numbers that are the sum of seven fourth powers in eight or more ways. A345574

Numbers that are the sum of seven fourth powers in exactly eight ways. A345830

a(n) = a(n-1) + a(n-2) + 1, with a(0) = 0 and a(1) = 8. A22313

Number of shapes of left-leaning height-balanced AVL trees with n (inner) nodes. A296103

Number of nX7 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s. A296312

Numerators of Harary index for the n-Mycielski graph. A296193

T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s. A296313

Continued fraction for sqrt(228). A40212