Properties of the Number 992

Nine Hundred Ninety-Two

Basics

Value: 991 → 992 → 993

Parity: even

Prime: No

Previous Prime: 991

Next Prime: 997

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 31

Divisors: 1, 2, 4, 8, 16, 31, 32, 62, 124, 248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111100000

Octal: 1740

Duodecimal: 6A8

Hexadecimal: 3e0

Square: 984064

Square Root: 31.496031496047245

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

Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1). A2378

Numbers k such that k divides 1 plus the sum of the first k primes. A128165

a(n) = 2·n*(2·n-1). A2939

Numbers of the form 2ⁱ - 2^j with i >= j. A23758

a(n) = n*σ(n). A64987

Partial sums of A243980. A244050

Numbers that are divisible by exactly 6 primes with multiplicity. A46306

Expansion of g.f.: (1+x)/(1-31·x). A170751

a(n) = 4ⁿ - 2ⁿ. A20522

Triangle read by rows: T(n,k) = number of unlabeled graphs with n nodes and connectivity exactly k (n>=1, 0<=k<=n-1). A259862