Properties of the Number -434

Four Hundred Thirty-Four

Basics

Value: -435 → -434 → -433

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: Yes

Factorization: 2 × 7 × 31

Divisors: 1, 2, 7, 14, 31, 62, 217, 434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110010

Octal: -662

Duodecimal: -302

Hexadecimal: -1b2

Square: 188356

Square Root: 20.83266665599966

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) = (n+1)*(2-n)/2. A80956

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 4. A60023

Riordan array ((1+3·x-sqrt(1+2·x+9·x²))/(2·x),(1+3·x-sqrt(1+2·x+9·x²))/2). A125694

McKay-Thompson series of class 30C for the Monster group with a(0) = -1. A132321

Numerator of Hermite(n, 2/15). A159514

Expansion of ∏_m>=1 (1 + m·q^m)^-2. A22694

McKay-Thompson series of class 30C for Monster. A58614

Row sums of number triangle related to the Jacobsthal numbers. A110325

Triangle, read by rows of coefficients of xⁿ*y^k for k=0..n(n-1)/2 for n>=0, defined by e.g.f.: A(x,y) = 1 + Series_Reversion( Integral A(-x·y,y) dx ), with leading zeros in each row suppressed. A144006

a(n) is the sum of the first column of the difference table of the divisors of n. A161857