Properties of the Number 78366

Seventy-Eight Thousand Three Hundred Sixty-Six

Basics

Value: 78365 → 78366 → 78367

Parity: even

Prime: No

Previous Prime: 78347

Next Prime: 78367

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 37 × 353

Divisors: 1, 2, 3, 6, 37, 74, 111, 222, 353, 706

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011001000011110

Octal: 231036

Duodecimal: 39426

Hexadecimal: 1321e

Square: 6141229956

Square Root: 279.9392791303143

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

12-gonal (or dodecagonal) pyramidal numbers: a(n) = n*(n+1)*(10·n-7)/6. A7587

Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically. A207106

Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,43. A64258

A Chebyshev S-sequence with Diophantine property. A78366

Numbers k such that the decimal expansion of the k-th harmonic number starts with the digits of k, in the same order. A337904