Properties of the Number 64120

Sixty-Four Thousand One Hundred Twenty

Basics

Value: 64119 → 64120 → 64121

Parity: even

Prime: No

Previous Prime: 64109

Next Prime: 64123

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 × 7 × 229

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101001111000

Octal: 175170

Duodecimal: 31134

Hexadecimal: fa78

Square: 4111374400

Square Root: 253.21927256826245

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

Floor((n+1/n)³). A197602

Nonunitary weird numbers: numbers that are nonunitary abundant but not nonunitary pseudoperfect. A327948

Number of quasi-magic (only short lines are magic) knight's tours on a 4 X 2n board. A329483

Averages of two consecutive odd cubes; a(n) = (n³ + (n+2)³)/2. A173962

Generalized Fibonacci numbers round(abs(Fib(n·I))), I=sqrt(-1). A158564

G.f. A(x) satisfies: A(x) = x * (1 + (1/(1 + x)) * (A(x/(1 + x)) + A(x²/(1 + x)²) + A(x³/(1 + x)³) + ...)). A308024

A036981(n)/n!². A64120