Properties of the Number 78938

Seventy-Eight Thousand Nine Hundred Thirty-Eight

Basics

Value: 78937 → 78938 → 78939

Parity: even

Prime: No

Previous Prime: 78929

Next Prime: 78941

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 29 × 1361

Divisors: 1, 2, 29, 58, 1361, 2722, 39469, 78938

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011010001011010

Octal: 232132

Duodecimal: 39822

Hexadecimal: 1345a

Square: 6231207844

Square Root: 280.9590717524529

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

Exponents k where A000120(3^k) - A070939(3^k)/2 reaches a new maximum. A372099

Number of nondecreasing integer sequences of length 7 with sum zero and sum of absolute values 2n. A158141

Cube of lower triangular matrix of A056857 (successive equalities in set partitions of n). A78938

Number of tilings of a 5 X n rectangle using straight (3 X 1) trominoes and 2 X 2 tiles. A219969

a(n) = ∑_k=0..n binomial(n,k)⁴ * 3^k. A216795