Properties of the Number 67631

Sixty-Seven Thousand Six Hundred Thirty-One

Basics

Value: 67630 → 67631 → 67632

Parity: odd

Prime: Yes

Previous Prime: 67619

Next Prime: 67651

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 67631

Divisors: 1, 67631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100000101111

Octal: 204057

Duodecimal: 3317B

Hexadecimal: 1082f

Square: 4573952161

Square Root: 260.05960855157804

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

Primes p that have at least four primitive roots that are not primitive roots mod p². A60520

Consecutive internal states of the linear congruential pseudo-random number generator (321·s + 123) mod 10⁵ when started at 1. A383128

O.g.f. A(x) satisfies: [xⁿ] 1/A(x)ⁿ⁺¹ / (1 - (n+1)*x) = 0, for n > 0. A320415

If n is composite then a(n) is the standard deviation of the prime factors of n, rounded off to the nearest integer (rounding up if there's a choice), with each factor counted according to its frequency of occurrence in the prime factorization. If n is 1 or prime then a(n)=0. A67631