Properties of the Number 9142

Nine Thousand One Hundred Forty-Two

Basics

Value: 9141 → 9142 → 9143

Parity: even

Prime: No

Previous Prime: 9137

Next Prime: 9151

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 653

Divisors: 1, 2, 7, 14, 653, 1306, 4571, 9142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110110110

Octal: 21666

Duodecimal: 535A

Hexadecimal: 23b6

Square: 83576164

Square Root: 95.61380653441218

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

Numbers k such that k²⁵⁶ + 1 is prime. A56995

Multiples of 14 containing a 14 in their decimal representation. A121034

Number of primes less than 10ⁿ with initial digit 2. A73516

Numbers n such that every digit occurs at least once in n³. A119735

Expansion of (2/(3·sqrt(1-4·z)-1+4·z))*((1-sqrt(1-4·z))/(2·z))^k with k=9. A172066

a(n) = coefficient of xⁿ*yⁿ in ∏_n>=1 1/(1 - (xⁿ + yⁿ)). A322211

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8. A252334

Sum of the largest parts of the partitions of n into 8 squarefree parts. A326452

T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1. A289651

Rounded sums of the non-integer cube roots of n, as partitioned by the integer roots: round(∑_{j=n³+1..(n+1)³-1} j^1/3). A248575