Properties of the Number -9247

Two Hundred Forty-Seven

Basics

Value: -9248 → -9247 → -9246

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 1321

Divisors: 1, 7, 1321, 9247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010000011111

Octal: -22037

Duodecimal: -5427

Hexadecimal: -241f

Square: 85507009

Square Root: 96.1613227862429

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

Expansion of e.g.f.: sech(sin(x)*exp(x)). A12294

a(0) = 1, a(n) = 5·n² + 2 for n>0. A10001

Numbers that occur only once in A155043; positions of zeros in A262505, ones in A262507. A262508

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock sum greater than 6. A184217

a(n) = n*(n-th prime) + (n+1)*((n+1)-th prime). A152117

a(n) = 8·n² - 1. A157914

Inverse Moebius transform of A000056. A350156

Length of the maximal prefix of noncomposite numbers on row n of A249821. A250473

Number of planar partitions of n, but partitions that are mirror images of each other (when regarded as 3-D objects) are counted only once. A48140

a(n) = 32·n² - 1. A158563