Properties of the Number 20414

Twenty Thousand Four Hundred Fourteen

Basics

Value: 20413 → 20414 → 20415

Parity: even

Prime: No

Previous Prime: 20411

Next Prime: 20431

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 59 × 173

Divisors: 1, 2, 59, 118, 173, 346, 10207, 20414

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111110111110

Octal: 47676

Duodecimal: B992

Hexadecimal: 4fbe

Square: 416731396

Square Root: 142.8775699681374

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

Smallest even k such that lpf(k-1) = prime(n), while lpf(k-3) > prime(n), where lpf=least prime factor (A020639). A242489

G.f. A(x) satisfies 1/2 = ∑_n=-oo..+oo xⁿ*A(x)ⁿ * (A(x)ⁿ + x)^2·n-1 * (xⁿ + A(x))^2·n-1. A381362

Iterates of A122227, starting from A122227(4)=17. A122231

Number of different lattices formed by intersections of two composition series of length n. A217944

Least even k such that sfdf(k-3) > sfdf(k-1) >= A050376(n), where sfdf(n) is the smallest Fermi-Dirac factor of n (A223490). A244343

Expansion of (A(x)²+A(x²))/2 where A(x) = A001006(x)-1. A275209

a(0) = 1, a(n) = 28·n² + 2 for n>0. A10018

Number of (6+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically. A258559

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 779", based on the 5-celled von Neumann neighborhood. A273540

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T12 atom. A19167