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Properties of the Number 12904

Twelve Thousand Nine Hundred Four

Basics

Value: 12903 → 12904 → 12905

Parity: even

Prime: No

Previous Prime: 12899

Next Prime: 12907

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 3 × 1613

Divisors: 1, 2, 4, 8, 1613, 3226, 6452, 12904

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 11001001101000

Octal: 31150

Duodecimal: 7574

Hexadecimal: 3268

Square: 166513216

Square Root: 113.59577456930342

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 ways to write n as an orderless product of orderless sums. A318949
Number of unimodal functions [1..n]->[0..2]. A223718
Indices of primes followed by a gap (distance to next larger prime) of 44. A320720
Number of ways to choose an integer partition of each factor in a factorization of n. A318948
Centered 23-gonal numbers. A69174
Rounded total surface area of a regular dodecahedron with edge length n. A71397
Triangle, read by rows, where row n equals the inverse binomial transform of column n in the rectangular table A124460. A124469
Numbers k such that the continued fraction for sqrt(k) has period 90. A20429
For positive n with prime decomposition n = ∏j=1..m (pjk_j) define An = ∑j=1..m (pj*kj) and Bn = ∑j=1..m (pjk_j). This sequence gives those n for which An and Bn are both prime and Bn = An + 2 (i.e., form a twin prime pair). A185718
Discriminants of imaginary quadratic fields with class number 38 (negated). A351676