Properties of the Number -6223

Two Hundred Twenty-Three

Basics

Value: -6224 → -6223 → -6222

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 ² × 127

Divisors: 1, 7, 49, 127, 889, 6223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001001111

Octal: -14117

Duodecimal: -3727

Hexadecimal: -184f

Square: 38725729

Square Root: 78.88599368709251

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

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 253", based on the 5-celled von Neumann neighborhood. A271053

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 259", based on the 5-celled von Neumann neighborhood. A271057

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3⁴.6 2D tiling (cf. A250120). A299254

Starts of runs of 3 consecutive Niven numbers in base 2 (A049445). A330932

Values of n such that L(12) and N(12) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227515

Numbers k that divide 8^k - 1. A14949

Number of ordered quadruples (a,b,c,d) with gcd(a,b,c,d)=1 (1 <= {a,b,c,d} <= n). A82540

Numbers n such that 6n is a partition number. A217726

Integers > 1 whose prime divisors are all Mersenne primes (i.e., of the form (2^p - 1)). A56652

Sequence S such that 1 is in S and if·is in S, then 6x-1 and 6x+1 are in S. A147993