Properties of the Number 51197

Fifty-One Thousand One Hundred Ninety-Seven

Basics

Value: 51196 → 51197 → 51198

Parity: odd

Prime: Yes

Previous Prime: 51193

Next Prime: 51199

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 51197

Divisors: 1, 51197

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100011111111101

Octal: 143775

Duodecimal: 25765

Hexadecimal: c7fd

Square: 2621132809

Square Root: 226.2675407565124

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

Numerator of partial sums of a series for 3*(π-3). A130411

Primes of the form 2n² - 3. A201712

The first member of a twin prime pair whose sum equals the sums of k consecutive smaller pairs of twin primes, k=3. A226692

Primes that are the sum of all composite numbers in-between prime numbers p(n) and p(n+2). A174521

Primes in the chain of repeated application of x->2·x+3, starting at x=97. A176011

G.f.: (1+x)^2·g*(1+x³)^3·g/((1-x²)*(1-x⁴))-x^2·g*(1+x)⁴/((1-x²)*(1-x⁴)) for g=3. A199629

Primes of the form 8n² - 3. A201856

Initial members of prime quadruples (n, n+2, n+144, n+146). A248523

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 313", based on the 5-celled von Neumann neighborhood. A271202

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 41. A31629