Properties of the Number 72956

Seventy-Two Thousand Nine Hundred Fifty-Six

Basics

Value: 72955 → 72956 → 72957

Parity: even

Prime: No

Previous Prime: 72953

Next Prime: 72959

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 13 × 23 × 61

Divisors: 1, 2, 4, 13, 23, 26, 46, 52, 61, 92

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10001110011111100

Octal: 216374

Duodecimal: 36278

Hexadecimal: 11cfc

Square: 5322577936

Square Root: 270.10368379568615

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

a(1) = 1; a(2·n) = prime(n)*a(n), a(2·n+1) = prime(n)*a(n) + a(n+1), where prime(n) is the n-th prime. A176716

Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A259005

a(n) = 4·n*(n² - 3·n - 1)/3. A275876

a(n) = 9 a (n-1)-26 a(n-2) +24 a(n-3) (n >= 3) with a(0) =a(1)=1, a(2)=2. A162723

Turban numbers: without letters r, t, or u. A72956