Properties of the Number 13955

Thirteen Thousand Nine Hundred Fifty-Five

Basics

Value: 13954 → 13955 → 13956

Parity: odd

Prime: No

Previous Prime: 13933

Next Prime: 13963

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 2791

Divisors: 1, 5, 2791, 13955

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011010000011

Octal: 33203

Duodecimal: 80AB

Hexadecimal: 3683

Square: 194742025

Square Root: 118.13128290169374

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

Numbers k such that prime(k) + prime(k+1) is a square. A64397

Numbers n such that d(1)¹ + d(2)² + ... + d(p)^p and d(1)^p + d(2)^p-1 +... + d(p)¹ are squares, where d(i), i=1..p, are the digits of n. A178360

The number of triangles in an equipotential triangle divided by medians into n rows of smaller triangles. A210687

Numbers n such that n!!! - 3⁴ is prime. A247464

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 670", based on the 5-celled von Neumann neighborhood. A273394

Numbers k such that 125·2^k+1 is prime. A32412

Numbers k such that prime(k) + prime(k+1) is a perfect power. A132746

a(n) = sigma₇(n), the sum of the 7th powers of the divisors of n. A13955