Properties of the Number -1243225

Two Hundred Forty-Three Thousand Two Hundred Twenty-Five

Basics

Value: -1243226 → -1243225 → -1243224

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 223 ²

Divisors: 1, 5, 25, 223, 1115, 5575, 49729, 248645, 1243225

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -100101111100001011001

Octal: -4574131

Duodecimal: -4BB561

Hexadecimal: -12f859

Square: 1545608400625

Square Root: 1115

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

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 0,1 or 1,2. A264341

a(n) = A379119(A379121(n)), where A379121 gives those odd squares k for which A379113(k) > 1 and A379119(n) = n/A379113(n). A379124

Number of (n+1) X (5+1) arrays of permutations of 0..n·6+5 with each element having index change +-(.,.) 0,0 0,1 or 1,2. A264338

Number of (3+1) X (n+1) arrays of permutations of 0..n·4+3 with each element having index change +-(.,.) 0,0 0,1 or 1,2. A264343