Properties of the Number 64999

Sixty-Four Thousand Nine Hundred Ninety-Nine

Basics

Value: 64998 → 64999 → 65000

Parity: odd

Prime: No

Previous Prime: 64997

Next Prime: 65003

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 11 × 19 × 311

Divisors: 1, 11, 19, 209, 311, 3421, 5909, 64999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1111110111100111

Octal: 176747

Duodecimal: 31747

Hexadecimal: fde7

Square: 4224870001

Square Root: 254.94901451074486

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(n) = n*(n³ - n + 2)/2. A101374

a(n) is the number of diagonalizable 2 X 2 matrices over GF(prime(n)). A353211

Partial sums of sequence (essentially A002378): 1, 2, 6, 12, 20, 30, 42, 56, 72, 90, ... A64999

Least positive integer k such that prime(k·n) - 1 = (prime(i·n)-1)*(prime(j·n)-1) for some integers 0 < i < j < k. A257938