Properties of the Number -12961

Twelve Thousand Nine Hundred Sixty-One

Basics

Value: -12962 → -12961 → -12960

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 × 997

Divisors: 1, 13, 997, 12961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001010100001

Octal: -31241

Duodecimal: -7601

Hexadecimal: -32a1

Square: 167987521

Square Root: 113.84638773364749

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

a(n) = 8·n² + 4·n + 1. A102083

Third row of Pascal-(1,5,1) array A081580. A81589

T(n,k) is the number of n X k (0,1,2) arrays of permanents of 2 X 2 subblocks of some (n+1) X (k+1) binary array. A226852

a(n) = 10·n² + 1. A158187

Numbers k such that k² and k³ have the same set of digits. A29797

Natural growth of an aliquot sequence driven by a perfect number 2^p-1*((2^p) - 1). A146556

a(n) = 32·n² - 56·n + 25. A272129

a(n) = least m such that if r and s in {1/1, 1/3, 1/5, ..., 1/(2n-1)} satisfy r < s, then r < k/m < (k+3)/m < s for some integer k. A24844

a(n) = 40·n² + 1. A158602

Positive numbers y such that y² is of the form x²+(x+151)² with integer x. A161483