Properties of the Number 28371

Twenty-Eight Thousand Three Hundred Seventy-One

Basics

Value: 28370 → 28371 → 28372

Parity: odd

Prime: No

Previous Prime: 28351

Next Prime: 28387

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 ² × 193

Divisors: 1, 3, 7, 21, 49, 147, 193, 579, 1351, 4053

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111011010011

Octal: 67323

Duodecimal: 14503

Hexadecimal: 6ed3

Square: 804913641

Square Root: 168.4369318172235

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 n such that there are precisely 15 groups of orders n and n + 1. A295995

Molien series for 3-D group X1. A37240

a(n) = n + 2·binomial(n,2) + 3·binomial(n,3) + 4·binomial(n,4). A361099

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 974", based on the 5-celled von Neumann neighborhood. A273853

Numbers n such that 2·n*k(n) is rational but not an integer, where k(n) is sum of successive remainders when computing the Euclidean algorithm for (1, 1/sqrt(n)) as defined in A086378 (MuPAD program is given there); numbers belonging to A086378 but not to A088900. A87414

Numbers n such that (π/sqrt(2))ⁿ is closer to its nearest integer than any value of (π/sqrt(2))^k for 1 <= k < n. A95203

a(n) = (2^n-1-1)!*2^{(2^(n-1}-1)-1). A28371