Properties of the Number -2941

Nine Hundred Forty-One

Basics

Value: -2942 → -2941 → -2940

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 17 × 173

Divisors: 1, 17, 173, 2941

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101111101

Octal: -5575

Duodecimal: -1851

Hexadecimal: -b7d

Square: 8649481

Square Root: 54.230987451824994

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(0) = 1, a(1) = 0, a(2) = -1; for n >= 3, a(n) = - a(n-2) + ∑_{primes p with 3 <= p <= n} a(n-p). A2121

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood. A270688

Triangle read by rows, coefficients of the Swiss-Knife median polynomials M_n(x) in descending order of powers. A213736

Coordination sequence for "pcu-i" 3D uniform tiling. A299277

Second heptagonal numbers: a(n) = n*(5·n+3)/2. A147875

Number of partitions of n for which the number of even parts is equal to the positive alternating sum of the parts. A277579

Integer part of decimal 'base-2 looking' numbers divided by their actual base-2 values (denominator of a(n) is n, numerator is n written in binary but read in decimal). A32532

Number of partitions of n into parts without powers of 2. A101417

a(n) = (4·n³ - 12·n² + 14·n + 3)/3. A161703

Concentric 14-gonal numbers. A195145