Properties of the Number -661569

Six Hundred Sixty-One Thousand Five Hundred Sixty-Nine

Basics

Value: -661570 → -661569 → -661568

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 103 × 2141

Divisors: 1, 3, 103, 309, 2141, 6423, 220523, 661569

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100001100001000001

Octal: -2414101

Duodecimal: -27AA29

Hexadecimal: -a1841

Square: 437673541761

Square Root: 813.3689199864966

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) is the number of (n+1) X (k+1) 0..1 matrices with each 2 X 2 permanent equal. A224745

Number of (n+1) X 4 0..1 matrices with each 2 X 2 permanent equal. A224740

Number of (n+1)X7 0..1 matrices with each 2X2 permanent equal. A224743