Properties of the Number 51465

Fifty-One Thousand Four Hundred Sixty-Five

Basics

Value: 51464 → 51465 → 51466

Parity: odd

Prime: No

Previous Prime: 51461

Next Prime: 51473

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 47 × 73

Divisors: 1, 3, 5, 15, 47, 73, 141, 219, 235, 365

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100100001001

Octal: 144411

Duodecimal: 25949

Hexadecimal: c909

Square: 2648646225

Square Root: 226.85898703820396

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

Main diagonal of triangle A092565, in which the n-th row polynomial equals the numerator of the n-th convergent of the continued fraction [1 + x + x²; 1 + x + x², 1 + x + x², ...]. A92566

Numbers m such that 4^m reversed is prime. A350441

Array read by antidiagonals: T(m,n) is the number of connected dominating sets in the rook graph K_m X K_n. A360875

Number of connected dominating sets in the n X n rook graph. A289196

Rectangular array read by ascending antidiagonals. Row n has the exponential generating function 1/M_n(zⁿ) where M_n(z) is the n-th Mittag-Leffler function, nonzero coefficients only, for n>=1. A274705

Numbers m such that 8^m reversed is prime. A350442

Order of group G_1,n. A51465