Properties of the Number 706

Seven Hundred Six

Basics

Value: 705 → 706 → 707

Parity: even

Prime: No

Previous Prime: 701

Next Prime: 709

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 353

Divisors: 1, 2, 353, 706

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1011000010

Octal: 1302

Duodecimal: 4AA

Hexadecimal: 2c2

Square: 498436

Square Root: 26.570660511172846

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

Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity). A6753

Number of integer partitions of n whose smallest part is equal to the number of parts. A6141

Numbers that are the sum of 2 positive 4th powers. A3336

A problem of configurations: a(0) = 1; for n>0, a(n) = (2n-1)!! - ∑_k=1..n-1 (2k-1)!! a(n-k). Also the number of shellings of an n-cube, divided by 2ⁿ n!. A698

Fifth spoke of a hexagonal spiral. A56109

Triangle T(n,k) of numbers of distinct shapes under rotation of non-extendable (complete) non-self-adjacent simple paths within a square lattice bounded by rectangles with nodal dimensions n and k, n >= k >= 2. A213249

Numbers m such that the Bernoulli number B_2·m has denominator 30. A51225

a(n) = ceiling(n²/3). A8810

Numbers k such that 2^k - 5 is prime. A59608

Numbers k such that the largest prime factor of k²-1 is 101. A181568