Properties of the Number -61520

Sixty-One Thousand Five Hundred Twenty

Basics

Value: -61521 → -61520 → -61519

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 5 × 769

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111000001010000

Octal: -170120

Duodecimal: -2B728

Hexadecimal: -f050

Square: 3784710400

Square Root: 248.03225596683993

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 unoriented orthoplex n-ominoes with cell centers determining n-3 space. A355048

Number of colored integer partitions of n such that two colors are used and parts differ by size or by color. A327380

a(n) = 64·n² + 16. A157912

a(n) = 961·n² + 2·n. A158413

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 31. A31709

Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 4 and every element equal to at least one neighbor. A146090

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, 1), (0, 1, -1), (1, -1, 1)}. A148168