Properties of the Number 56669

Fifty-Six Thousand Six Hundred Sixty-Nine

Basics

Value: 56668 → 56669 → 56670

Parity: odd

Prime: No

Previous Prime: 56663

Next Prime: 56671

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 61 × 929

Divisors: 1, 61, 929, 56669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110101011101

Octal: 156535

Duodecimal: 28965

Hexadecimal: dd5d

Square: 3211375561

Square Root: 238.05251521460553

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

Numbers k such that 210·k+{11, 13, 17, 19, 23, 29} are 6 consecutive primes. A182282

Numbers k such that 210·k+{11,13,17,19,23,29,31} are 7 consecutive primes. A182387

Numerator of H(n+4) - H(n), where H(n) = ∑_k=1..n 1/k. A189642

Square roots of squares in A068177. A91876

Positive integers with binary expansion (b(1), ..., b(m)) such that ∑_{i = 1..m-k} b(i)*b(i+k) is odd for all k = 0..m-1. A360388

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 95. A31683

Indices of primes in sequence defined by A(0) = 59, A(n) = 10·A(n-1) - 21 for n > 0. A101583

Numbers n such that 5·10ⁿ + 6·R_n + 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103018

Number of equivalence classes of n-valued Post functions of 3 variables under action of symmetric group S₃. A56669