Properties of the Number 40615

Forty Thousand Six Hundred Fifteen

Basics

Value: 40614 → 40615 → 40616

Parity: odd

Prime: No

Previous Prime: 40609

Next Prime: 40627

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 8123

Divisors: 1, 5, 8123, 40615

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001111010100111

Octal: 117247

Duodecimal: 1B607

Hexadecimal: 9ea7

Square: 1649578225

Square Root: 201.53163523377663

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

T(n, 2n-9), T given by A027960. A27971

a(n) = T(2·n, n+3), T given by A027011. A27014

a(n) = greatest number in row n of array T given by A027960. A27977

Column 2 of triangle A055907. A55908

a(1) = 0 and a(n+1) > a(n) is the smallest integer such that a(n+1)²-a(n)² is triangular. A358416

a(n) = greatest number in row n of array T given by A027011. A27020

Numbers k such that σ(k) - k - 1 is a perfect number. A293992

Hyperlucas number array T(r,n) = L(n)^r, read by ascending antidiagonals (r >= 0, n >= 0). A137176

Continued fraction for sqrt(641). A40615