Properties of the Number 357

Three Hundred Fifty-Seven

Basics

Value: 356 → 357 → 358

Parity: odd

Prime: No

Previous Prime: 353

Next Prime: 359

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 17

Divisors: 1, 3, 7, 17, 21, 51, 119, 357

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 101100101

Octal: 545

Duodecimal: 259

Hexadecimal: 165

Square: 127449

Square Root: 18.894443627691185

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

Sphenic numbers: products of 3 distinct primes. A7304

Triangle of trinomial coefficients T(n,k) (n >= 0, 0 <= k <= 2·n), read by rows: n-th row is obtained by expanding (1 + x + x²)ⁿ. A27907

Binary irreducible polynomials (primes in the ring GF(2)[X]), evaluated at X=2. A14580

Balanced numbers: numbers k such that φ(k) (A000010) divides σ(k) (A000203). A20492

Numbers whose digits are primes. A46034

Number of "ON" cells at n-th stage in the "Ulam-Warburton" two-dimensional cellular automaton. A147562

Multiples of 7. A8589

a(n) = n² - 4. A28347

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

Total number of odd entries in first n rows of Pascal's triangle: a(0) = 0, a(1) = 1, a(2k) = 3·a(k), a(2k+1) = 2·a(k) + a(k+1). a(n) = ∑_i=0..n-1 2^wt(i). A6046