Properties of the Number -822649

Eight Hundred Twenty-Two Thousand Six Hundred Forty-Nine

Basics

Value: -822650 → -822649 → -822648

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 907 ²

Divisors: 1, 907, 822649

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11001000110101111001

Octal: -3106571

Duodecimal: -3380A1

Hexadecimal: -c8d79

Square: 676751377201

Square Root: 907

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

Number of permutations (p(1), p(2), ..., p(n)) satisfying -k <= p(i)-i <= r and p(i)-i not in the set I, i=1..n, with k=2, r=6, I={-1,1,2,3,4,5}. A224808

Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square. A173943

Numbers that are both averages of consecutive primes and nontrivial prime powers. A263675

Larger prime power associated with record gap in A167186. A167189

Squares of primes, with property that all even digits occur together and all odd digits occur together. A30481

Largest square <= nⁿ. A65740

Squares s such that s + 1234567890 is prime. A241538

Odd squares not of the form p + 2^k with p prime. A276567

Smallest composite k such that φ(k) > k*(1-1/n²). A69639