Properties of the Number 78407

Seventy-Eight Thousand Four Hundred Seven

Basics

Value: 78406 → 78407 → 78408

Parity: odd

Prime: No

Previous Prime: 78401

Next Prime: 78427

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 23 × 487

Divisors: 1, 7, 23, 161, 487, 3409, 11201, 78407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011001001000111

Octal: 231107

Duodecimal: 3945B

Hexadecimal: 13247

Square: 6147657649

Square Root: 280.0124997209946

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

Number of reduced words of length n in the Weyl group D₂₃. A162365

T(n,k)=Number of arrays of -k..k integers x(1..n) with every x(i) being in a subsequence of length 1, 2 or 3 with sum zero. A193702

a(n) = 49·n² + 7. A158481

a(n) = 72·n² - 1. A158738

Number of reduced words of length n in the Weyl group B₂₃. A161930

Numbers m such that T(m) + 2·T(m+1) is a square, where T = A000217. A278438

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 80. A31758

Number of arrays of -3..3 integers x(1..n) with every x(i) in a subsequence of length 1, 2 or 3 with sum zero. A193697

Number of ways to partition 4·n+2 into distinct positive integers. A78407