Properties of the Number 28358

Twenty-Eight Thousand Three Hundred Fifty-Eight

Basics

Value: 28357 → 28358 → 28359

Parity: even

Prime: No

Previous Prime: 28351

Next Prime: 28387

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 1289

Divisors: 1, 2, 11, 22, 1289, 2578, 14179, 28358

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111011000110

Octal: 67306

Duodecimal: 144B2

Hexadecimal: 6ec6

Square: 804176164

Square Root: 168.39833728395303

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

a(n) = n*(8·n² - 5)/3. A63523

Number of integer compositions of n that are the first sums of some composition. A391683

Self-convolution of (1, p(1), p(2), ...). A23626

a(n) = ∑_{k=0..floor(n/10)} binomial(n-5·k,5·k). A348290

Triangle T(n,k), read by rows, formed by setting all entries in the zeroth column ((n,0) entries) and the main diagonal ((n,n) entries) to powers of 2 with all other entries formed by the recursion T(n,k) = T(n-1,k) + T(n,k-1). A96466

Least k such that k·Mersenne-prime(n)*Mersenne-prime(n+1) - 1 is prime. A98915

a(1) = 1; for n > 1, a(n) is the least k > a(n-1) such that a(n) + a(n-1) is square and a(n) - a(n-1) is prime. A108972

Number of base 8 circular n-digit numbers with adjacent digits differing by 6 or less. A125396

Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers. A130218

Number of ways to place 8 nonattacking queens on an 8 X n board. A172449