Properties of the Number 79216

Seventy-Nine Thousand Two Hundred Sixteen

Basics

Value: 79215 → 79216 → 79217

Parity: even

Prime: No

Previous Prime: 79201

Next Prime: 79229

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 4951

Divisors: 1, 2, 4, 8, 16, 4951, 9902, 19804, 39608, 79216

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011010101110000

Octal: 232560

Duodecimal: 39A14

Hexadecimal: 13570

Square: 6275174656

Square Root: 281.4533709160365

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

Consider a number n with m decimal digits, m>9. The sequence lists the numbers n such that the prefix of length m-1 and the suffix of length m-1 are both perfect squares. A244283

Denominators of continued fraction convergents to sqrt(537). A42027

Numbers whose second digit is not zero and such that removing either the first or last digit leaves a square number. A343855

Square array A(n>=0,k>=1) (listed antidiagonally: A(0,1)=1, A(1,1)=1, A(0,2)=1, A(2,1)=2, A(1,2)=1, A(0,3)=1, A(3,1)=3, ...) giving the number of n-edge general plane trees fixed by k-fold application of Catalan Automorphisms A057511/A057512 (Deep rotation of general parenthesizations/plane trees). A79216

Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal. A236887