Properties of the Number 16312

Sixteen Thousand Three Hundred Twelve

Basics

Value: 16311 → 16312 → 16313

Parity: even

Prime: No

Previous Prime: 16301

Next Prime: 16319

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 2039

Divisors: 1, 2, 4, 8, 2039, 4078, 8156, 16312

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11111110111000

Octal: 37670

Duodecimal: 9534

Hexadecimal: 3fb8

Square: 266081344

Square Root: 127.71844032871682

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) = a(n-1) + a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = a(3) = 1. A50027

a(n) = a(n-1) + a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = a(3) = 2. A50047

Numbers which are the roots of distinct not-previously-encountered side-trees ("tendrils") sprouting from the side of the infinite beanstalk (see A213730). A218612

G.f.: ∑_k>=0 x^k * ∏_j=1..5·k (1 + x^j). A385069

a(n) = ∑_i=0..n digsum(i)⁴, where digsum(i) = A007953(i). A231689

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood. A288066

a(n) = ∑_k=1..n floor(n/(2·k-1))³. A350144

a(n) is the unique solution to A323410(x) = A362185(n). A362211

Numbers n such that gcd(n, φ(n)) = gcd(φ(n), σ(n)) = gcd(σ(n), n) = τ(n). A217301

Positions of records in A368698. A368988