Properties of the Number 19672

Nineteen Thousand Six Hundred Seventy-Two

Basics

Value: 19671 → 19672 → 19673

Parity: even

Prime: No

Previous Prime: 19661

Next Prime: 19681

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 2459

Divisors: 1, 2, 4, 8, 2459, 4918, 9836, 19672

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110011011000

Octal: 46330

Duodecimal: B474

Hexadecimal: 4cd8

Square: 386987584

Square Root: 140.2569071382939

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 irreducible multiple ζ values at weight n. A113788

Triangle read by rows: absolute values of odd-numbered rows of A225356. A225076

Triangle T(n, k) = T(n, k-1) + (-1)^k*A060187(n+2,k+1) if k <= floor(n/2), otherwise T(n, n-k), with T(n, 0) = T(n, n) = 1, read by rows. A225356

Integers that are the arithmetic mean of 1000 consecutive primes. A123078

Inverse Euler transform of A000931. A18243

Numbers n such that 4·10ⁿ + R_n + 6 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A102982

Minimal voucher cost for n distinct positive integer vouchers v₁, v₂, ..., v_n, where the cost is defined as v₁ + v₁*v₂ + v₂*v₃ + ... + v_n-1*v_n. A393145

Sum of the ninth powers of the parts of the partitions of n into two distinct parts. A294304

a(n) = (8·n + 4)⁹. A17121

a(n) = (10·n + 5)⁹. A17337