Properties of the Number 13622

Thirteen Thousand Six Hundred Twenty-Two

Basics

Value: 13621 → 13622 → 13623

Parity: even

Prime: No

Previous Prime: 13619

Next Prime: 13627

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 ² × 139

Divisors: 1, 2, 7, 14, 49, 98, 139, 278, 973, 1946

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010100110110

Octal: 32466

Duodecimal: 7A72

Hexadecimal: 3536

Square: 185558884

Square Root: 116.71332400373147

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

Total sum of the odd-indexed parts of all partitions of n. A207381

Expansion of ∏_k>=1 ((1 + x^{2·k - 1})/(1 - x^{2·k - 1}))^k². A294755

Values of n such that the sum of the 7-gonal number (5·n² - 3·n)/2 and the following 7-gonal number is a 7-gonal number. A133328

a(n) = (2·n³ + 9·n² + n + 24) / 6. A160805

Compositions of n into parts 3, 5 and 7. A245367

Expansion of ∏_k>=1 (1 + k²*x^k)^k. A285737

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 1, 1), (1, -1, 1), (1, 1, -1)}. A149057

Least nonnegative k such that 3^2ⁿ+k is prime. A157979

Indices of Ulam prime triples, where u(k), u(k+1) and u(k+2) are all primes, and u(k) = A002858(k) are the Ulam numbers. A307330

Number of permutations of length n which avoid the patterns 1234, 3412, 3421. A116824