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Properties of the Number -8609

Six Hundred Nine

Basics

Value: -8610 → -8609 → -8608

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 8609

Divisors: 1, 8609

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10000110100001

Octal: -20641

Duodecimal: -4B95

Hexadecimal: -21a1

Square: 74114881

Square Root: 92.78469701410896

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

Irregular triangle, read by rows: Coefficients of the polynomials Pn, n>=2 such that the series f(x) = c + c(x-c) + ∑n>=2 Pn(c)/c(n-1*(n+2)/2+1) (x-c)n/n! satisfies f(c) = c and f'(f(x)) = x near the fixed point c in (0,oo). A375720
a(1)=3, b(n) = ∏k=1..n a(k), a(n+1) is the smallest prime factor of b(n)-1. A5265
Numbers that are the sum of 9 nonzero 8th powers. A3387
Primes that do not contain any other prime as a proper substring. A33274
Primes from merging of 4 successive digits in decimal expansion of sqrt(2). A198164
Primes of the form x2+101y2. A139489
Triangle T(n,k) read by rows, giving number of k-member minimal covers of an unlabeled n-set, k=1..n. A55080
Primes p for which the period of reciprocal = (p-1)/8. A56213
Least sum of 3 distinct nonzero squares in exactly n ways. A25415
Primes of the form 2a + 3b. A4051