Properties of the Number -401956

Four Hundred One Thousand Nine Hundred Fifty-Six

Basics

Value: -401957 → -401956 → -401955

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 317 ²

Divisors: 1, 2, 4, 317, 634, 1268, 100489, 200978, 401956

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100010001000100100

Octal: -1421044

Duodecimal: -174744

Hexadecimal: -62224

Square: 161568625936

Square Root: 634

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

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

Squares such that square+-3=primes. A153262

Square numbers with at least one digit in common with any other positive square number. A182657

Square numbers with at least one digit in common with any other square number. A182658

Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically. A207931

Index of 2ⁿ in A351495. A361334

Squares of the form p1 - 1 where p1 is a lower twin prime. A145823