Properties of the Number 40130

Forty Thousand One Hundred Thirty

Basics

Value: 40129 → 40130 → 40131

Parity: even

Prime: No

Previous Prime: 40129

Next Prime: 40151

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 4013

Divisors: 1, 2, 5, 10, 4013, 8026, 20065, 40130

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110011000010

Octal: 116302

Duodecimal: 1B282

Hexadecimal: 9cc2

Square: 1610416900

Square Root: 200.32473636573192

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

Table T(n,k) read by rows which contains in row n and column k the sum of A001055(A036035(n,j)) over all column indices j where A036035(n,j) has k distinct prime factors. A93936

Indices of primes in sequence defined by A(0) = 19, A(n) = 10·A(n-1) - 31 for n > 0. A102021

Numbers n such that the number of primes between n² and (n+1)² = the number of primes between n and Reverse(n) (inclusive). A74817

Numbers k such that (35·10^k - 377)/9 is prime. A295967

a(n) is the smallest number k such that four consecutive prime numbers prime(n), prime(n+1), prime(n+2) and prime(n+3) are divisors of k, k+1, k+2 and k+3 respectively. A180096

Primes p such that x⁴ = 15 has a solution mod p. A40130