Properties of the Number 1148

One Thousand One Hundred Forty-Eight

Basics

Value: 1147 → 1148 → 1149

Parity: even

Prime: No

Previous Prime: 1129

Next Prime: 1151

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

Number of strict knapsack partitions of n. A275972

Number of (w,x,y) such that w,x,y are all in {0,...,n} and |w-x| = |x-y|. A212959

Number of n-stacks with strictly receding walls, or the number of Type A partitions of n in the sense of Auluck (1951). A1522

Number of integer partitions of n with all distinct run-sums. A353837

Number of double-free integer partitions of n. A323092

Multiples of 14 containing a 14 in their decimal representation. A121034

Number of strict integer partitions of 2·n with no subset summing to n. A321142

Irregular triangle read by rows where T(n,k) is the number of integer partitions of n with k fixed points, k = 0, 1. A352833

G.f. satisfies: A(x - A(x)²) = x + A(x)². A275765

Four times pentagonal numbers: a(n) = 2·n*(3·n-1). A33579