Properties of the Number 40679

Forty Thousand Six Hundred Seventy-Nine

Basics

Value: 40678 → 40679 → 40680

Parity: odd

Prime: No

Previous Prime: 40639

Next Prime: 40693

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 19 × 2141

Divisors: 1, 19, 2141, 40679

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111011100111

Octal: 117347

Duodecimal: 1B65B

Hexadecimal: 9ee7

Square: 1654781041

Square Root: 201.69035673526884

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 m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros. A334769

a(1) = 1, then subtract, multiply, and add 2, 3, 4; 5, 6, 7; ... in that order. A362270

Number of phylogenetic trees with n labels and no singleton leaves. A320289

a(n) = ∑_d∣n d² * (d+1)/2. A278403

Number of partitions of n with up to two distinct kinds of 1. A320689

Expansion of x*(1+3·x)*(1+6·x+16·x²)/((1-x)*(1+2·x)*(1-3·x-2·x²)). A120723

a(n) is the least integer such that the iterated modulus chain m₁=mod(a(n),m),m₂=mod(a(n),m₁),m₃=mod(a(n),m₂),..., m_n= (0 or 1) reaches a length n. The companion value m, associated to a(n), is given in A177968. A177967

The number of overpartitions of n where the number of non-overlined parts is at least two more than the number of overlined parts. A340668

a(n) = (A070939(A334769(n)) - A334770(n))/3. A334796

Continued fraction for sqrt(706). A40679