Properties of the Number -30156

Thirty Thousand One Hundred Fifty-Six

Basics

Value: -30157 → -30156 → -30155

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7 × 359

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111010111001100

Octal: -72714

Duodecimal: -15550

Hexadecimal: -75cc

Square: 909384336

Square Root: 173.65483005087995

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

G.f. satisfies: 5·A(x) = 4 + 4·x + A(x)³, starting with [1,2,6]. A120592

a(n) = ∑_{k + l·m <= n} (k + l·m), with 0 <= k,l,m <= n. A106846

G.f. A(x) satisfies: A(x) = 1 + x·A(x)*(1 + 2·x*A(x))/(1 - x·A(x) - x²*A(x)²). A307411

Polynomial extrapolation of 2, 3, 5, 7, 11. A61165

Triangle read by rows: T(n,k) is the number of labeled threshold graphs on vertex set [n] in which k dominating vertices are added in standard iterative construction, n >= 1 and 0 <= k <= n-1. A350060