Properties of the Number -6217

Two Hundred Seventeen

Basics

Value: -6218 → -6217 → -6216

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 6217

Divisors: 1, 6217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1100001001001

Octal: -14111

Duodecimal: -3721

Hexadecimal: -1849

Square: 38651089

Square Root: 78.84795495128583

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 1/(1 + ∑_i>=1 q^i²/∏_j=1..i (1 + q^2·j)). A294408

Primes from merging of 4 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2. A103810

Primes with first digit 6. A45712

Primes of the form k(k+1)/2+1 (i.e., central polygonal numbers, or one more than triangular numbers). A55469

Number of connected functions (or mapping patterns) on n unlabeled points, or number of rings and branches with n edges. A2861

Class 5+ primes (for definition see A005105). A81633

a(n) = (9·n² + 3·n + 2)/2. A38764

Primes such that the sum of the predecessor and successor primes is divisible by 37. A113156

One-half the number of permutations of length n with exactly 1 rising or falling successions. A130

Prime numbers containing the string 17. A166579