Properties of the Number -2942

Nine Hundred Forty-Two

Basics

Value: -2943 → -2942 → -2941

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 1471

Divisors: 1, 2, 1471, 2942

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101111110

Octal: -5576

Duodecimal: -1852

Hexadecimal: -b7e

Square: 8655364

Square Root: 54.24020648928247

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) = ∑_k=0..n (-1)^k*C(n,k)*2^k*(n-k). A172388

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 4.6.12 2D tiling (cf. A072154). A299258

Number of perfect-power divisors of n!. A336416

Expansion of 1/(1 - x³ - x⁴ + x⁷ - x¹⁰ - x¹¹ + x¹⁴) (a Salem polynomial). A143644

Number of integer partitions of n such that the number of parts is equal to the number of distinct divisors of parts. A371130

Start with 61; to get the next term, divide by the smallest prime factor < 17 if it exists, else multiply by 17 and add 1. A57534

Triangular T(n,k) = T(n-1, k) + T(n-1, k-1) + 5·T(n-2, k-1), read by rows. A153518

Number of reversed integer partitions y of n with exactly one fixed point y(i) = i. A352832

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically. A207500

Numbers k such that numerator of Bernoulli(2·k) is divisible by 233, the ninth irregular prime. A92228