Properties of the Number 78142

Seventy-Eight Thousand One Hundred Forty-Two

Basics

Value: 78141 → 78142 → 78143

Parity: even

Prime: No

Previous Prime: 78139

Next Prime: 78157

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 89 × 439

Divisors: 1, 2, 89, 178, 439, 878, 39071, 78142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000100111110

Octal: 230476

Duodecimal: 3927A

Hexadecimal: 1313e

Square: 6106172164

Square Root: 279.53890605781515

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

Coefficient of x³ in the minimal polynomial of the continued fraction [1ⁿ,sqrt(3),1,1,...], where 1ⁿ means n ones. A266802

G.f.: ∏_n=-oo..+oo (1 + xⁿ*(1 + xⁿ)ⁿ). A293603

Number of 2 X n 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281057

Numbers that are formed using their own digits and addition and seventh power operators. A195674

Numbers k such that all digits in k are different and for each digit d it is true that k = d (mod sum of digits(k) - d). A306788

a(n) is the sum of the differences of the distinct prime factors p of n and the next square larger than p. A78142