Properties of the Number 1692

One Thousand Six Hundred Ninety-Two

Basics

Value: 1691 → 1692 → 1693

Parity: even

Prime: No

Previous Prime: 1669

Next Prime: 1693

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 47

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 47

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010011100

Octal: 3234

Duodecimal: B90

Hexadecimal: 69c

Square: 2862864

Square Root: 41.13392760240627

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

Number of points on surface of cuboctahedron (or icosahedron): a(0) = 1; for n > 0, a(n) = 10n² + 2. Also coordination sequence for f.c.c. or A₃ or D₃ lattice. A5901

p-INVERT of (1,1,1,1,1,...), where p(S) = 1 - S - S² - S³. A291000

Generalized 12-gonal numbers: k*(5·k-4) for k = 0, +-1, +-2, ... A195162

e-perfect numbers: numbers k such that the sum of the e-divisors (exponential divisors) of k equals 2·k. A54979

Coreful perfect numbers: numbers k such that csigma(k) = 2·k, where csigma(k) is the sum of the coreful divisors of k (A057723). A307958

Multiples of 9 containing a 9 in their decimal representation. A121029

Number of integer partitions of n that cannot be partitioned into two or more blocks with equal sums. A321451

Number of trimmed trees with n nodes. A2988

Triangle read by rows where T(n,k) is the number of labeled simple graphs with n vertices and vertex-connectivity k. A327334

Products of exactly 2 distinct squares of primes and a different prime (p² * q² * r). A179643