Properties of the Number 73124

Seventy-Three Thousand One Hundred Twenty-Four

Basics

Value: 73123 → 73124 → 73125

Parity: even

Prime: No

Previous Prime: 73121

Next Prime: 73127

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 101 × 181

Divisors: 1, 2, 4, 101, 181, 202, 362, 404, 724, 18281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110110100100

Octal: 216644

Duodecimal: 36398

Hexadecimal: 11da4

Square: 5347119376

Square Root: 270.4144966528237

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 φ(k) = φ(k+1). A1274

Main diagonal of A256045: order of all-2s configuration on the n X n sandpile grid graph. A256046

Triangle read by rows: order of all-2s configuration on the n X k sandpile grid graph. A256045

a(n) = A256046(2n+1): order of all-2s configuration on the (2n+1) X (2n+1) sandpile grid graph. A256047

Even composite integers m such that U(m)² == 1 (mod m) and V(m) == 3 (mod m), where U(m)=A001906(m) and V(m)=A005248(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=1, respectively. A337777

Numbers k such that k divides the (k+1)st Lucas number. A94397

A number n is included in the sequence if and only if the n-th integer from among those positive integers which are coprime to n+1 = the (n+1)-st integer from among those positive integers which are coprime to n. A139766

a(n) = prime(1+prime(n)) - prime(prime(n)). A73124