Properties of the Number 78192

Seventy-Eight Thousand One Hundred Ninety-Two

Basics

Value: 78191 → 78192 → 78193

Parity: even

Prime: No

Previous Prime: 78191

Next Prime: 78193

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ³ × 181

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000101110000

Octal: 230560

Duodecimal: 39300

Hexadecimal: 13170

Square: 6113988864

Square Root: 279.62832474554506

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

The Wiener index of the meta-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references). A216110

Minimal number (in decimal representation) with n nonprime substrings in base-5 representation (substrings with leading zeros are considered to be nonprime). A217105

Members of A014574 with sum of prime factors (with multiplicity) also in A014574. A349455

Numbers n such that 93·2ⁿ-1 is prime. A50572

Number of 3-step one or two collinear space at a time queen's tours on an n X n board summed over all starting positions. A187028

a(n) = floor(concatenation of n down to 1 divided by n). A78192