Properties of the Number 16654

Sixteen Thousand Six Hundred Fifty-Four

Basics

Value: 16653 → 16654 → 16655

Parity: even

Prime: No

Previous Prime: 16651

Next Prime: 16657

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 757

Divisors: 1, 2, 11, 22, 757, 1514, 8327, 16654

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000100001110

Octal: 40416

Duodecimal: 977A

Hexadecimal: 410e

Square: 277355716

Square Root: 129.05037776000503

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 n-element T₀-antichains on a labeled set. A59079

Triangle T(n,k), n >= 2, 0 <= k <= floor(n²/2)-2·n+2, read by rows, where T(n,k) is the number of 2*(k+2·n-2)-cycles in the n X n grid graph which pass through four corners ((0,0), (0,n-1), (n-1,n-1), (n-1,0)). A333668

Numbers k such that k | A047842(k). A278439

Number of permutations of [n] having exactly ten (possibly overlapping) doubledescents. A279299

E.g.f. A(x) satisfies A(x) = 1 + 2 * (1 - exp(-x)) * A(2 * (1 - exp(-x))). A355132

Expansion of g.f. A(x) satisfying A(x) = x + x² + (A(x)³ + 2·A(x³))/3. A375438

a(n) = ∑_d∣n d^d * binomial(n/d-1,d-1). A376018

a(n)*n = A112902(n). A112903

For each permutation p of {1,2,...,n} define minabsjump(p) = min(|p(i) - i|, 1<=i<=n); a(n) is the sum of minabsjumps of all p. A129118

Years >= 1801 in which Christmas falls in Sukkot. A222419