Properties of the Number -4649

Six Hundred Forty-Nine

Basics

Value: -4650 → -4649 → -4648

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 4649

Divisors: 1, 4649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001000101001

Octal: -11051

Duodecimal: -2835

Hexadecimal: -1229

Square: 21613201

Square Root: 68.18357573492314

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

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 4.6.12 2D tiling (cf. A072154). A299258

Monotonic ordering of set S generated by these rules: if·and y are in S then x² + y² is in S, and 1 is in S. A192476

a(n) = ∑_k<=n A000203(k)*(n-k+1), where A000203(m) is the sum of divisors of m. A175254

Primes that do not contain any other prime as a proper substring. A33274

Largest prime factor of the "repunit" number 11...1 (cf. A002275). A3020

Iterate the map in A006369 starting at 144. A185589

Smaller member of a twin prime pair whose mean is a multiple of A002110(3)=30. A60229

Number of generalizations of the partition 1ⁿ. A213242

Number of integer compositions of n whose leaders of anti-runs are strictly increasing. A374679

Triangle of prime numbers in which n-th row lists all primes p such that 1/p has decimal period n, n >= 1. A46107