Properties of the Number 78845

Seventy-Eight Thousand Eight Hundred Forty-Five

Basics

Value: 78844 → 78845 → 78846

Parity: odd

Prime: No

Previous Prime: 78839

Next Prime: 78853

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 5 × 13 × 1213

Divisors: 1, 5, 13, 65, 1213, 6065, 15769, 78845

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001111111101

Octal: 231775

Duodecimal: 39765

Hexadecimal: 133fd

Square: 6216534025

Square Root: 280.79351844371337

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

Number of consecutive prime runs of just 4 primes congruent to 1 mod 4 below 10ⁿ. A92645

Numbers k such that A003132(k³) = A003132(k), where A003132(n) is the sum of the squares of the digits of n. A309884

Where 7ⁿ occurs in n-almost-primes, starting at a(0)=1. A78845

Triangle read by rows: the multiset transform of the balanced binary Lyndon words (A022553). A289978

Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors. A283541