Properties of the Number 61900

Sixty-One Thousand Nine Hundred

Basics

Value: 61899 → 61900 → 61901

Parity: even

Prime: No

Previous Prime: 61879

Next Prime: 61909

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 ² × 619

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 100, 619

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000111001100

Octal: 170714

Duodecimal: 2B9A4

Hexadecimal: f1cc

Square: 3831610000

Square Root: 248.79710609249457

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 8-step one space at a time bishop's tours on an n X n board summed over all starting positions. A187161

Numbers n such that 4n+1, 4n+3, 4n+7, 4n+9 and 4n+13 are prime. A254376

T(n,k)=Number of n-step one space at a time bishop's tours on a kXk board summed over all starting positions. A187155

Triangular numbers that are not squarefree. A61900