Properties of the Number 65651

Sixty-Five Thousand Six Hundred Fifty-One

Basics

Value: 65650 → 65651 → 65652

Parity: odd

Prime: Yes

Previous Prime: 65647

Next Prime: 65657

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 65651

Divisors: 1, 65651

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000001110011

Octal: 200163

Duodecimal: 31BAB

Hexadecimal: 10073

Square: 4310053801

Square Root: 256.22451092742864

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 having only {1, 5, 6} as digits. A385779

Primes formed by concatenating k, k, and 1 for k >= 1. A210511

Primes of the form 2^x + y (x >= 0 and 0 <= y < 2^x) such that all the numbers 2^x+a + (y-a) (0 < a <= y) are composite. A264866

Centered 13-gonal (or tridecagonal) primes. A262493

Number of 5-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero and first and second differences in -n..n. A209009

Numerator of the average distance among first n primes. A332094

Array read by diagonals downwards: A(n,k) for n>=2 and k>=0 is the number of (n,k)-polyominoes counting as distinct different formations of transparent squares. A381057

a(n) = ∑_k=1..n (-1)^τ(k) = n - 2·floor(sqrt(n)). A65651