Properties of the Number 5245

Five Thousand Two Hundred Forty-Five

Basics

Value: 5244 → 5245 → 5246

Parity: odd

Prime: No

Previous Prime: 5237

Next Prime: 5261

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 1049

Divisors: 1, 5, 1049, 5245

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010001111101

Octal: 12175

Duodecimal: 3051

Hexadecimal: 147d

Square: 27510025

Square Root: 72.42237223399962

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

Integers of the form c(n)/b(n) where c(n+1)=c(n)+(n+1)⁴ with c(0)=1 and b(n+1)=b(n)+(n+1)² with b(0)=1. A119617

a(n) = 15·n² - 9·n + 1. A134154

Array read by antidiagonals: A(n,k) is the number of nonnegative integer matrices with k distinct columns and any number of nonzero rows with column sums n and rows in nonincreasing lexicographic order. A331161

Every suffix prime and no 0 digits in base 6 (written in base 6). A24781

Composite squarefree numbers n such that p + τ(n) divides n - φ(n), where p are the prime factors of n, τ(n) = A000005(n) and φ(n) = A000010(n). A229324

Index where prime(n) appears as a term in A379248. A379290

Centered 19-gonal numbers. A69132

Number of graphs with loops, having unlabeled (non-isolated) nodes and n labeled edges. A14501

Number of maximal subsets of {1..n} containing no quotients of pairs of distinct elements. A326492

Number of ways to split a strict integer partition of n into contiguous subsequences with strictly increasing sums. A336133