Properties of the Number 77284

Seventy-Seven Thousand Two Hundred Eighty-Four

Basics

Value: 77283 → 77284 → 77285

Parity: even

Prime: No

Previous Prime: 77279

Next Prime: 77291

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 139 ²

Divisors: 1, 2, 4, 139, 278, 556, 19321, 38642, 77284

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110111100100

Octal: 226744

Duodecimal: 38884

Hexadecimal: 12de4

Square: 5972816656

Square Root: 278

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

Squares with initial digit '7'. A45791

a(n) = (7·n + 5)². A17042

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum. A258545

The smallest perfect square which is a sum of n consecutive primes. A132956

a(n) = (8·n+6)². A17138

a(n) = 4·prime(n)². A69262

Squares whose largest digit is 8. A295018

Squares pertaining to A082607. a(n) = A082607(n)*A082607(n+1)- 1. A82608

a(n) = (10·n + 8)². A17366

Expansion of a modular function. A6709