Properties of the Number -312481

Three Hundred Twelve Thousand Four Hundred Eighty-One

Basics

Value: -312482 → -312481 → -312480

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 ² × 43 ²

Divisors: 1, 13, 43, 169, 559, 1849, 7267, 24037, 312481

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1001100010010100001

Octal: -1142241

Duodecimal: -130A01

Hexadecimal: -4c4a1

Square: 97644375361

Square Root: 559

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

Determinant of n X n matrix defined by m(i,j)=1 if i²+j² is a prime, m(i,j)=0 otherwise. A71524

Discriminants with exactly 2 associated cyclic cubic fields. A343002

Discriminants with at least 2 associated cyclic cubic fields. A343024

a(n) = 9·a(n-1) - 9·a(n-2) + a(n-3); given a(1) = 1, a(2) = 10, a(3) = 81. A95004

Numbers n for which the absolute value of the abundance of both n and n² is a prime number. A125237

The smaller of a pair of successive powerful numbers (A001694) without any prime number between them. A240591

Number of 3 X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically. A207600

Odd squares not in A113659. A103962

Number of nX4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically. A207904

Determinant of the pentadiagonal symmetric n X n Toeplitz Matrix with a=b=1, c=2. A360261