Properties of the Number 28416

Twenty-Eight Thousand Four Hundred Sixteen

Basics

Value: 28415 → 28416 → 28417

Parity: even

Prime: No

Previous Prime: 28411

Next Prime: 28429

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁸ × 3 × 37

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100000000

Octal: 67400

Duodecimal: 14540

Hexadecimal: 6f00

Square: 807469056

Square Root: 168.5704600456438

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 which can be expressed as the product of numbers made of only fours. A161142

Numbers of the form p⁸*q·r where p, q, and r are distinct primes. A179747

Values of φ(k) when φ(k) = φ(k+1). A3275

Cluster series for diamond. A3212

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 371", based on the 5-celled von Neumann neighborhood. A287905

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 429", based on the 5-celled von Neumann neighborhood. A288193

Expansion of (1+4·x)/(1-8·x+8·x²). A164608

Triangle d_k(n) read by rows: number of n-th order Feynman diagrams with k interactions, 0<=k<=n. A214299

Indices of primes in A214830. A244001

From a definite integral. A2570