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Properties of the Number 49215

Forty-Nine Thousand Two Hundred Fifteen

Basics

Value: 49214 → 49215 → 49216

Parity: odd

Prime: No

Previous Prime: 49211

Next Prime: 49223

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 17 × 193

Divisors: 1, 3, 5, 15, 17, 51, 85, 193, 255, 579

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100000000111111

Octal: 140077

Duodecimal: 24593

Hexadecimal: c03f

Square: 2422116225

Square Root: 221.8445401627004

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 φ(k) = φ(k+1). A1274
First differences of the binomial transform of the distinct partition numbers (A000009). A129519
Triangle read by rows: T(n,k) is the number of sets of noncrossing paths of size k whose nodes are a subset of n nodes arranged in a circle with one node paths allowed, 0 <= k <= n. A390897
Number of partitions p of n for which Odd(p) = Odd(p') (mod 4), where p' is the conjugate of p. A97566
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 606", based on the 5-celled von Neumann neighborhood. A289891
Number of self-avoiding paths with nodes chosen among n given points on a circle; one-node paths are allowed. A360715
Squarefree numbers k such that φ(k) = φ(k+1). A63739
6th diagonal of triangle in A059317. A106150
Numbers whose base-4 representation contains exactly four 0's and four 3's. A45085
A number n is included in the sequence if and only if the n-th integer from among those positive integers which are coprime to n+1 = the (n+1)-st integer from among those positive integers which are coprime to n. A139766