Properties of the Number 65631

Sixty-Five Thousand Six Hundred Thirty-One

Basics

Value: 65630 → 65631 → 65632

Parity: odd

Prime: No

Previous Prime: 65629

Next Prime: 65633

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 131 × 167

Divisors: 1, 3, 131, 167, 393, 501, 21877, 65631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000001011111

Octal: 200137

Duodecimal: 31B93

Hexadecimal: 1005f

Square: 4307428161

Square Root: 256.18547968220213

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 sopf(k) + 1 = sopf(k+1), where sopf(k) = A008472(k). A64111

Constant term of the reduction by x² -> x+1 of the polynomial p(n,x) defined at Comments. A192958

Permutation of N induced by rotating the node 4 right in the infinite planar binary tree. The fourth row of A065625. Inverse of A065632. A65631

Numbers n such that n'=(n+1)', where n' is the arithmetic derivative of n. A226779

Number of base 26 circular n-digit numbers with adjacent digits differing by 2 or less. A124954