Properties of the Number 61320

Sixty-One Thousand Three Hundred Twenty

Basics

Value: 61319 → 61320 → 61321

Parity: even

Prime: No

Previous Prime: 61297

Next Prime: 61331

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 7 × 73

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111110001000

Octal: 167610

Duodecimal: 2B5A0

Hexadecimal: ef88

Square: 3760142400

Square Root: 247.62875438849989

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

Number of primitive polynomials of degree n over GF(3). A27385

Number of primitive (aperiodic, or Lyndon) asymmetric rhythm cycles: ones having no nontrivial shift automorphism. A6575

T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards. A205181

Primorial deflation of the n-th colossally abundant number: the unique integer k such that A108951(k) = A004490(n). A342012

Numbers n such that {largest m such that 1, 2, ..., m divide n} is different from {largest m such that m! divides n²}. A232099

Expansion of (1+4·x+x²)/((1+x)²*(1-x)⁵). A233329

Numbers k such that A380845(k) = 3·k. A380847

Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0. A33139

Number of Lyndon words on {1, 2, 3} with an even number of 1's. A133267

Number of complete compositions of n whose multiplicities cover an initial interval of positive integers. A329748