Properties of the Number -12223

Twelve Thousand Two Hundred Twenty-Three

Basics

Value: -12224 → -12223 → -12222

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 17 × 719

Divisors: 1, 17, 719, 12223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10111110111111

Octal: -27677

Duodecimal: -70A7

Hexadecimal: -2fbf

Square: 149401729

Square Root: 110.55767725490618

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

a(n) = ∑_j=0..n j·Fibonacci(j). A14286

Numbers n such that p(n),p(n)+6,p(n)+12,p(n)+18 are consecutive primes and p(n)=6·k+1 for some k, where p(n) denotes n-th prime. A90838

a(n) = ∑_k=0..n (-1)^k*C(n, k)²*C(2·k, k), where C(n, k) denotes the binomial coefficient n!/(k!*(n-k)!). A244973

Triangle read by rows: T(n,1) = 1, T(n,n) = n and for 1 < k < n: T(n,k) = T(n-1,k-1) + 2·T(n-1,k). A105728

Numbers of rank 10 in the poset of lunar numbers. A191752

Numbers k such that 2^k + 35 is prime. A220077

Row sums of the triangular array A246696. A246697

Put the natural numbers together without spaces and read them five at a time advancing one space each time. A193493

Maximum starting value of X such that repeated replacement of X with X-ceiling(X/7) requires n steps to reach 0. A279077

Numbers that are nontrivially palindromic in three or more consecutive integer bases. A279093