Properties of the Number 66907

Sixty-Six Thousand Nine Hundred Seven

Basics

Value: 66906 → 66907 → 66908

Parity: odd

Prime: No

Previous Prime: 66889

Next Prime: 66919

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 23 × 2909

Divisors: 1, 23, 2909, 66907

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010101011011

Octal: 202533

Duodecimal: 32877

Hexadecimal: 1055b

Square: 4476546649

Square Root: 258.6638745553774

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 3^k + 26 is prime. A219044

Number of 8k+1 primes (A007519) in range ]2ⁿ,2ⁿ⁺¹]. A95009

Total number of binary digits used to write all partitions of n in binary notation. A318756

Number of lower triangles of a 4 X 4 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less. A195234

G.f. = ((2+3·x)/(1-x²-x³))². A350602

Number of elements in GL(2,Z_n) x with x² == I mod n where I is the identity matrix. A66907