Properties of the Number 11223

Eleven Thousand Two Hundred Twenty-Three

Basics

Value: 11222 → 11223 → 11224

Parity: odd

Prime: No

Previous Prime: 11213

Next Prime: 11239

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 29 × 43

Divisors: 1, 3, 9, 29, 43, 87, 129, 261, 387, 1247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101111010111

Octal: 25727

Duodecimal: 65B3

Hexadecimal: 2bd7

Square: 125955729

Square Root: 105.93866149805746

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

Integers whose decimal expansion start with 1, do not contain zeros and each successive digit to the right is at most one greater than the previous digit. A71159

List of Lyndon words on {1,2,3} sorted first by length and then lexicographically. A102660

T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor. A199256

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

a(n) = least integer m such that the part after the decimal point of the n-th root of m starts with the digit 5. A34082

Three times second hexagonal numbers: 3·n*(2·n+1). A195319

Numbers whose binary representation traces a non-selfcrossing circuit in the honeycomb lattice when each one of its bits, from the most significant to the least significant, is interpreted as a direction to proceed at each vertex. A255561

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal horizontal or vertical neighbors and new values introduced sequentially from 0. A265170

List of strings in lexicographic order with property that for the 2^m-1 strings of length m, the first entry is 1, the second distinct entry (reading from left to right) is 2, the third distinct entry is 3, etc. A96299

Number of 4-cycles in the n X n king graph. A288918