Properties of the Number 988

Nine Hundred Eighty-Eight

Basics

Value: 987 → 988 → 989

Parity: even

Prime: No

Previous Prime: 983

Next Prime: 991

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 13 × 19

Divisors: 1, 2, 4, 13, 19, 26, 38, 52, 76, 247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111011100

Octal: 1734

Duodecimal: 6A4

Hexadecimal: 3dc

Square: 976144

Square Root: 31.432467291003423

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) = binomial(n+1, 2) + n - 1 = n*(n+3)/2 - 1. A34856

Cake numbers: maximal number of pieces resulting from n planar cuts through a cube (or cake): C(n+1,3) + n + 1. A125

a(n) = Fibonacci(n) + 1. A1611

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

Sums of four consecutive primes. A34963

Generalized 13-gonal numbers: m*(11·m-9)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A195313

Differences between positive cubes in 1, 2 or 3 ways: union of A014439, A014440 and A014441. A38593

Number of complete rulers with length n. A103295

a(n) = floor(n(n+2)(2n+1)/8). A2717

a(n) = ∑_{d divides n} d^{n/d + 1}. A78308