Properties of the Number -2347

Three Hundred Forty-Seven

Basics

Value: -2348 → -2347 → -2346

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2347

Divisors: 1, 2347

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100101011

Octal: -4453

Duodecimal: -1437

Hexadecimal: -92b

Square: 5508409

Square Root: 48.4458460551573

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(1) = 1; a(n) = -∑_k=2..n k² * a(floor(n/k)). A360390

a(n) = 8·n³ - 449·n² + 7967·n - 45523. A253045

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 491", based on the 5-celled von Neumann neighborhood. A272542

G.f.: A(x) = 1+x*(1+x*(1+x*(...(1+x*(...)^-2ⁿ )...)^-4)^-2)^-1. A121588

Primes p such that the decimal expansion of its base-9 conversion is also prime. A65727

Numbers obtained by reinterpreting base-2 representation of n in primorial base: a(0) = 0, a(2n) = A276154(a(n)), a(2n+1) = 1 + A276154(a(n)). A276156

Number of Golomb rulers of length n. A169942

Discriminants of imaginary quadratic fields with class number 5 (negated). A46002

a(n) = 1 + n + 2·n². A84849

Balanced primes of order two. A82077