Properties of the Number 61393

Sixty-One Thousand Three Hundred Ninety-Three

Basics

Value: 61392 → 61393 → 61394

Parity: odd

Prime: No

Previous Prime: 61381

Next Prime: 61403

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 29 ² × 73

Divisors: 1, 29, 73, 841, 2117, 61393

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111111010001

Octal: 167721

Duodecimal: 2B641

Hexadecimal: efd1

Square: 3769100449

Square Root: 247.7761086142084

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

MM-numbers of labeled multigraphs spanning an initial interval of positive integers. A320459

Numerators of increasingly better rational approximations to π with increasing denominators (3/1, 13/4, 16/5, 19/6, 22/7, 179/57, ...) A63674

a(n) = 73·n². A174334

Number of n X 3 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 4 binary array having a sum of three or less, with rows and columns of the latter in lexicographically nondecreasing order. A227266

Number of appearances of n in sequence defined by b(k) = b(floor(k/3)) + b(ceiling(k/3)) with b(0)=0 and b(1)=1, i.e., in A061392. A61393

Number of nX4 0..3 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards. A201977

Number of (n+1)X(3+1) 0..2 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors. A238318