Properties of the Number -1148

One Hundred Forty-Eight

Basics

Value: -1149 → -1148 → -1147

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7 × 41

Divisors: 1, 2, 4, 7, 14, 28, 41, 82, 164, 287

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001111100

Octal: -2174

Duodecimal: -7B8

Hexadecimal: -47c

Square: 1317904

Square Root: 33.88214869219483

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) = -2·n² + 12·n - 14. A147973

Coefficients of the 3rd-order mock θ function f(q). A25

Determinant of the n X n matrix with (i,j)-entry equal to 1 or 0 according as 2*(i + j) - 1 is prime or not. A228616

Coefficient of q²ⁿ in the series expansion of Ramanujan's mock θ function f(q). A39

Expansion of (ψ(x) * φ(-x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A215472

Difference between sums of largest parts of all partitions of n into odd number of parts and into even number of parts. A222049

Expansion of (ψ(-x) * φ(x)⁴)² in powers of·where φ(), ψ() are Ramanujan θ functions. A209942

Triangle T, read by rows, where row n+1 of T = row n of T^-n with appended '1' for n>=0 with T(0,0)=1. A132690

Ramanujan's function F₇(q). A64512

Poly-Cauchy numbers c₅^-n. A223852